Toyota 4Runner manuals

Toyota 4Runner: Diagnosis System

DIAGNOSIS SYSTEM

1. BUS CHECK

(a) Select "CAN Bus Check" from "System Select".

2. CHECK FOR INSTALLED SYSTEMS (ECUS AND SENSORS) THAT USE CAN COMMUNICATION

(a) The systems (ECUs and sensors) that use CAN communication vary depending on the vehicle and optional equipment. Check which systems (ECUs and sensors) are installed on the vehicle.

ECU/Sensor Name

Techstream Display

Applicability

Combination meter assembly

Combination Meter

Installed on all vehicles

Skid control ECU (brake actuator assembly)

Skid Control (ABS/VSC/TRAC)

for 2WD

Skid control ECU (master cylinder solenoid)

Skid Control (ABS/VSC/TRAC)

for 4WD

Main body ECU (multiplex network body ECU)

Main Body

Installed on all vehicles

Stabilizer control ECU

KDSS

w/ Kinetic Dynamic Suspension System

Airbag sensor assembly

Airbag

Installed on all vehicles

Steering angle sensor (spiral cable sub-assembly)

Spiral cable (Steering Angle Sensor)

Installed on all vehicles

Navigation receiver assembly

Display and Navigation (AVN1)

for Navigation Receiver Type

Radio and display receiver assembly

Display and Navigation (AVN1)

for Radio and Display Receiver Type

Certification ECU (smart key ECU assembly)

Certification (Smart)

w/ Smart Key System

Power management control ECU

  • Power Management
  • Power Management1

w/ Smart Key System

Yaw rate sensor assembly

Yaw Rate Sensor

Installed on all vehicles

Power steering ECU assembly

PPS

Installed on all vehicles

Four wheel drive control ECU

Four Wheel Drive Control

for 4WD

ECM

ECM (Engine)

Installed on all vehicles

Air conditioning amplifier assembly

Air Conditioning Amplifier

Installed on all vehicles

Drive monitor switch

D-Seat SW

w/ CRAWL Control

Front power seat switch LH

D-Seat

w/ Seat Position Memory

3. CAN BUS CHECK

HINT:

The ECUs and sensors that are properly connected to the CAN communication system can be displayed using the Techstream.

(a) Using the Techstream, select "CAN Bus Check" from the screen on the Techstream.

4. DTC TABLE BY ECU

HINT:

  • In the CAN communication system, CAN communication system DTCs can be output from the ECU by using the Techstream.
  • If CAN communication system DTCs are output, the trouble cannot be determined only by the DTCs. Perform troubleshooting according to How to Proceed with Troubleshooting (See page ).

(a) COMBINATION METER ASSEMBLY

HINT:

DTC communication uses the CAN communication system.

DTC Code

Detection Item

U0100

Lost Communication with ECM / PCM "A"

U0129

Lost Communication with Brake System Control Module

U0131

Lost Communication with Power Steering Control Module

U0151

Lost Communication with Restraints Control Module

(b) SKID CONTROL ECU (BRAKE ACTUATOR ASSEMBLY)

HINT:

DTC communication uses the CAN communication system.

DTC Code

Detection Item

U0073

Control Module Communication Bus OFF

U0100

Lost Communication with ECM / PCM

U0123

Lost Communication with Yaw Rate Sensor Module

U0124

Lost Communication with Lateral Acceleration Sensor Module

U0126

Lost Communication with Steering Angle Sensor Module

(c) SKID CONTROL ECU (MASTER CYLINDER SOLENOID)

HINT:

DTC communication uses the CAN communication system.

DTC Code

Detection Item

U0073

Control Module Communication Bus OFF

U0100

Lost Communication with ECM / PCM

U0114

Lost Communication with 4WD Control ECU

U0123

Lost Communication with Yaw Rate Sensor Module

U0124

Lost Communication with Lateral Acceleration Sensor Module

U0126

Lost Communication with Steering Angle Sensor Module

(d) MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU)

HINT:

DTC communication uses the CAN communication system.

DTC Code

Detection Item

U0100

Lost Communication With ECM/PCM "A"

U0101

Lost Communication with TCM

U0151

Lost Communication with Restraints Control Module

U0155

Lost Communication with Instrument Panel Cluster (IPC) Control Module

U0164

Lost Communication with HVAC Control Module

U0208

Lost Communication with "Seat Control Module A"

U0327

Software Incompatibility with Vehicle Security Control Module

U1002

Lost Communication with Gateway Module

U1133

Lost Communication with PMN Module

U1114

Lost Communication with Main Switch Module

(e) STABILIZER CONTROL ECU

  • For vehicles with a kinetic dynamic suspension control system.

HINT:

DTC communication uses the CAN communication system.

DTC Code

Detection Item

U0100

Lost Communication with ECM/ PCM "A"

U0122

Lost Communication with Vehicle Dynamics Control Module

U0124

Lost Communication with Lateral Acceleration Sensor Module

U0126

Lost Communication with Steering Angle Sensor Module

(f) AIRBAG SENSOR ASSEMBLY

HINT:

The airbag sensor assembly is connected to the CAN communication system, but CAN communication DTCs are not output.

(g) STEERING ANGLE SENSOR (SPIRAL CABLE SUB-ASSEMBLY)

HINT:

The steering angle sensor (spiral cable sub-assembly) is connected to the CAN communication system, but CAN communication DTCs are not output.

(h) NAVIGATION RECEIVER ASSEMBLY

  • For vehicles with a navigation receiver assembly.

HINT:

DTC communication uses the CAN communication system.

DTC Code

Detection Item

U0073

Sending Malfunction (Navigation to APGS)

U0140

Lost Communication with Body Control Module

(i) RADIO AND DISPLAY RECEIVER ASSEMBLY

  • For vehicles with a radio and display receiver assembly.

HINT:

DTC communication uses the CAN communication system.

DTC Code

Detection Item

U0073

Sending Malfunction (Navigation to APGS)

U0140

Lost Communication with Body Control Module

(j) CERTIFICATION ECU (SMART KEY ECU ASSEMBLY)

  • For vehicles with a smart key system.

HINT:

DTC communication uses the CAN communication system.

DTC Code

Detection Item

U0100

Lost Communication with ECM / PCM "A"

U0142

Lost Communication with Body Control Module "B"

U0155

Lost Communication with Instrument Panel Cluster (IPC) Control Module

(k) POWER MANAGEMENT CONTROL ECU (Power Management)

  • For vehicles with a smart key system.

HINT:

DTC communication uses the CAN communication system.

DTC Code

Detection Item

U0100

Lost Communication with ECM/PCM "A"

U0129

Lost Communication with Brake System Control Module

(l) POWER MANAGEMENT CONTROL ECU (Power Management1)

  • For vehicles with a smart key system.

HINT:

DTC communication uses the CAN communication system.

DTC Code

Detection Item

U0100

Lost Communication with ECM/PCM "A"

U0164

Lost Communication with HVAC Control Module

U1002

Lost Communication with Gateway Module

(m) YAW RATE SENSOR ASSEMBLY

HINT:

The yaw rate and sensor assembly is connected to the CAN communication system, but CAN communication DTCs are not output.

(n) POWER STEERING ECU ASSEMBLY

HINT:

DTC communication uses the CAN communication system.

DTC Code

Detection Item

U0100

Lost Communication with ECM/PCM "A"

U0126

Lost Communication with Steering Angle Sensor Module

U0129

Lost Communication with Brake System Control Module

(o) FOUR WHEEL DRIVE CONTROL ECU

  • For vehicles with four wheel drive.

HINT:

The four wheel drive control ECU is connected to the CAN communication system, but CAN communication DTCs are not output.

(p) ECM

HINT:

The ECM is connected to the CAN communication system, but CAN communication DTCs are not output.

(q) AIR CONDITIONING AMPLIFIER ASSEMBLY

HINT:

  • DTC communication uses the CAN communication system.
  • DTCs can be checked using the air conditioning control panel (DTC 99 is output).

DTC Code

Detection Item

U0100

Lost Communication With ECM/PCM "A"

U0142

Lost Communication With Body Control Module "B"

U0155

Lost Communication With Instrument Panel Cluster (IPC) Control Module

U0163

Lost Communication With Navigation Control Module

(r) DRIVE MONITOR SWITCH

  • For vehicles with CRAWL control.

HINT:

The drive monitor switch is connected to the CAN communication system, but CAN communication DTCs are not output.

(s) FRONT POWER SEAT SWITCH LH

  • For vehicles with seat position memory.

HINT:

The front power seat switch LH is connected to the CAN communication system, but CAN communication DTCs are not output.

5. DTC COMBINATION TABLE

HINT:

  • ○: Stored.
  • X: When one side of the branch wire is open, storage may occur.
  • -: Not stored.
  • *1: Only stored when communication recovery occurs. During a communication stop, it cannot be stored.
  • *2: w/o Smart key System
  • *3: w/ Smart key System
  • *4: Only output while the malfunction is present and the ignition switch is ON.
V1 Bus Vol. 1

Output from

Output DTC

Detection Item

Detected Communication Stop Mode

V1 Bus

Brake Actuator (Skid Control ECU) Communication Stop Mode

Skid Control ECU Communication Stop Mode

Air Conditioning Amplifier Communication Stop Mode*2

Power Steering ECU Communication Stop Mode

Combination meter assembly

U0100

Lost Communication with ECM/PCM "A"

X

X

X

X

U0129

Lost Communication with Brake System Control Module

X

X

U0131

Lost Communication with Power Steering Control Module

X

X

X

U0151

Lost Communication with Restraints Control Module

X

X

X

X

Skid control ECU (brake actuator assembly)

U0073*4

Control Module Communication Bus Off

○*1

-

X

X

U0100*4

Lost Communication with ECM/PCM

○*1

-

X

X

U0123*4

Lost Communication with Yaw Rate Sensor Module

○*1

-

X

X

U0124*4

Lost Communication with Lateral Acceleration Sensor Module

○*1

-

X

X

U0126*4

Lost Communication with Steering Angle Sensor Module

○*1

-

X

X

Skid control ECU (master cylinder solenoid)

U0073*4

Control Module Communication Bus Off

-

○*1

X

X

U0100*4

Lost Communication with ECM/PCM

-

○*1

X

X

U0114*4

Lost Communication with 4WD Control ECU

-

○*1

X

X

U0123*4

Lost Communication with Yaw Rate Sensor Module

-

○*1

X

X

U0124*4

Lost Communication with Lateral Acceleration Sensor Module

-

○*1

X

X

U0126*4

Lost Communication with Steering Angle Sensor Module

-

○*1

X

X

Main body ECU (multiplex network body ECU)

U0100

Lost Communication With ECM/PCM "A"

X

X

X

X

U0101

Lost Communication with TCM

X

X

X

X

U0151

Lost Communication with Restraints Control Module

X

X

X

X

U0155

Lost Communication with Instrument Panel Cluster (IPC) Control Module

X

X

X

X

U0164

Lost Communication with HVAC Control Module

X

X

X

U0208

Lost Communication with "Seat Control Module A"

-

-

-

-

U0327

Software Incompatibility with Vehicle Security Control Module

X

X

X

X

U1002

Lost Communication with Gateway Module

-

-

-

-

U1133

Lost Communication with PMN Module

X

X

X

X

U1114

Lost Communication with Main Switch Module

-

-

-

-

Stabilizer control ECU

U0100

Lost Communication with ECM/PCM "A"

X

X

X

X

U0122

Lost Communication with Vehicle Dynamics Control Module

X

X

U0124

Lost Communication with Lateral Acceleration Sensor Module

X

X

X

X

U0126

Lost Communication with Steering Angle Sensor Module

X

X

X

X

Navigation receiver assembly

U0073

Sending Malfunction (Navigation to APGS)

X

X

X

X

U0140

Lost Communication with Body Control Module

X

X

X

X

Radio and display receiver assembly

U0073

Sending Malfunction (Navigation to APGS)

X

X

X

X

U0140

Lost Communication with Body Control Module

X

X

X

X

Certification ECU (smart key ECU assembly)

U0100

Lost Communication with ECM/PCM "A"

X

X

X

X

U0142

Lost Communication with Body Control Module "B"

X

X

X

X

U0155

Lost Communication with Instrument Panel Cluster (IPC) Control Module

X

X

X

X

Power management control ECU (Power Management)*3

U0100

Lost Communication with ECM/PCM "A"

X

X

X

X

U0129

Lost Communication with Brake System Control Module

X

X

Power management control ECU (Power Management1)*3

U0100

Lost Communication with ECM/PCM "A"

X

X

X

X

U0164

Lost Communication with HVAC Control Module

-

-

-

-

U1002

Lost Communication with Gateway Module

-

-

-

-

Power steering ECU assembly

U0100

Lost Communication with ECM/PCM "A"

X

X

X

○*1

U0126

Lost Communication with Steering Angle Sensor Module

X

X

X

○*1

U0129

Lost Communication with Brake System Control Module

X

○*1

Air conditioning amplifier assembly

U0100

Lost Communication With ECM/PCM "A"

X

X

○*1 *2

X

U0142

Lost Communication With Body Control Module "B"

X

X

○*1 *2

X

U0155

Lost Communication With Instrument Panel Cluster (IPC) Control Module

X

X

○*1 *2

X

U0163

Lost Communication With Navigation Control Module

X

X

○*1 *2

X

V1 Bus Vol. 2

Output from

Output DTC

Detection Item

Detected Communication Stop Mode

V1 Bus

Steering Angle Sensor Communication Stop Mode

Yaw Rate Sensor Communication Stop Mode

ECM Communication Stop Mode

Main Body ECU Communication Stop Mode

Combination meter assembly

U0100

Lost Communication with ECM/PCM "A"

X

X

X

U0129

Lost Communication with Brake System Control Module

X

X

X

X

U0131

Lost Communication with Power Steering Control Module

X

X

X

X

U0151

Lost Communication with Restraints Control Module

X

X

X

X

Skid control ECU (brake actuator assembly)

U0073*4

Control Module Communication Bus Off

X

X

X

X

U0100*4

Lost Communication with ECM/PCM

X

X

X

U0123*4

Lost Communication with Yaw Rate Sensor Module

X

X

X

U0124*4

Lost Communication with Lateral Acceleration Sensor Module

X

X

X

U0126*4

Lost Communication with Steering Angle Sensor Module

X

X

X

Skid control ECU (master cylinder solenoid)

U0073*4

Control Module Communication Bus Off

X

X

X

X

U0100*4

Lost Communication with ECM/PCM

X

X

X

U0114*4

Lost Communication with 4WD Control ECU

X

X

X

X

U0123*4

Lost Communication with Yaw Rate Sensor Module

X

X

X

U0124*4

Lost Communication with Lateral Acceleration Sensor Module

X

X

X

U0126*4

Lost Communication with Steering Angle Sensor Module

X

X

X

Main body ECU (multiplex network body ECU)

U0100

Lost Communication With ECM/PCM "A"

X

X

○*1

U0101

Lost Communication with TCM

X

X

○*1

U0151

Lost Communication with Restraints Control Module

X

X

X

○*1

U0155

Lost Communication with Instrument Panel Cluster (IPC) Control Module

X

X

X

○*1

U0164

Lost Communication with HVAC Control Module

X

X

X

○*1

U0208

Lost Communication with "Seat Control Module A"

-

-

-

-

U0327

Software Incompatibility with Vehicle Security Control Module

X

X

X

○*1

U1002

Lost Communication with Gateway Module

-

-

-

-

U1133

Lost Communication with PMN Module

X

X

X

○*1

U1114

Lost Communication with Main Switch Module

-

-

-

-

Stabilizer control ECU

U0100

Lost Communication with ECM/PCM "A"

X

X

X

U0122

Lost Communication with Vehicle Dynamics Control Module

X

X

X

X

U0124

Lost Communication with Lateral Acceleration Sensor Module

X

X

X

U0126

Lost Communication with Steering Angle Sensor Module

X

X

X

Navigation receiver assembly

U0073

Sending Malfunction (Navigation to APGS)

X

X

X

X

U0140

Lost Communication with Body Control Module

X

X

X

Radio and display receiver assembly

U0073

Sending Malfunction (Navigation to APGS)

X

X

X

X

U0140

Lost Communication with Body Control Module

X

X

X

Certification ECU (smart key ECU assembly)

U0100

Lost Communication with ECM/PCM "A"

X

X

X

U0142

Lost Communication with Body Control Module "B"

X

X

X

U0155

Lost Communication with Instrument Panel Cluster (IPC) Control Module

X

X

X

X

Power management control ECU (Power Management)*3

U0100

Lost Communication with ECM/PCM "A"

X

X

X

U0129

Lost Communication with Brake System Control Module

X

X

X

X

Power management control ECU (Power Management1)*3

U0100

Lost Communication with ECM/PCM "A"

X

X

X

U0164

Lost Communication with HVAC Control Module

-

-

-

-

U1002

Lost Communication with Gateway Module

-

-

-

-

Power steering ECU assembly

U0100

Lost Communication with ECM/PCM "A"

X

X

X

U0126

Lost Communication with Steering Angle Sensor Module

X

X

X

U0129

Lost Communication with Brake System Control Module

X

X

X

X

Air conditioning amplifier assembly

U0100

Lost Communication With ECM/PCM "A"

X

X

X

U0142

Lost Communication With Body Control Module "B"

X

X

X

U0155

Lost Communication With Instrument Panel Cluster (IPC) Control Module

X

X

X

X

U0163

Lost Communication With Navigation Control Module

X

X

X

X

V1 Bus Vol. 3

Output from

Output DTC

Detection Item

Detected Communication Stop Mode

V1 Bus

Power Management Control Communication Stop Mode

Combination Meter ECU Communication Stop Mode

Certification ECU Communication Stop Mode

Center Airbag Sensor Communication Stop Mode

Combination meter assembly

U0100

Lost Communication with ECM/PCM "A"

X

○*1

X

X

U0129

Lost Communication with Brake System Control Module

X

○*1

X

X

U0131

Lost Communication with Power Steering Control Module

X

○*1

X

X

U0151

Lost Communication with Restraints Control Module

X

○*1

X

Skid control ECU (brake actuator assembly)

U0073*4

Control Module Communication Bus Off

X

X

X

X

U0100*4

Lost Communication with ECM/PCM

X

X

X

X

U0123*4

Lost Communication with Yaw Rate Sensor Module

X

X

X

X

U0124*4

Lost Communication with Lateral Acceleration Sensor Module

X

X

X

X

U0126*4

Lost Communication with Steering Angle Sensor Module

X

X

X

X

Skid control ECU (master cylinder solenoid)

U0073*4

Control Module Communication Bus Off

X

X

X

X

U0100*4

Lost Communication with ECM/PCM

X

X

X

X

U0114*4

Lost Communication with 4WD Control ECU

X

X

X

X

U0123*4

Lost Communication with Yaw Rate Sensor Module

X

X

X

X

U0124*4

Lost Communication with Lateral Acceleration Sensor Module

X

X

X

X

U0126*4

Lost Communication with Steering Angle Sensor Module

X

X

X

X

Main body ECU (multiplex network body ECU)

U0100

Lost Communication With ECM/PCM "A"

X

X

X

X

U0101

Lost Communication with TCM

X

X

X

X

U0151

Lost Communication with Restraints Control Module

X

X

X

U0155

Lost Communication with Instrument Panel Cluster (IPC) Control Module

X

X

X

U0164

Lost Communication with HVAC Control Module

X

X

X

X

U0208

Lost Communication with "Seat Control Module A"

-

-

-

-

U0327

Software Incompatibility with Vehicle Security Control Module

X

X

X

U1002

Lost Communication with Gateway Module

-

-

-

-

U1133

Lost Communication with PMN Module

X

X

X

U1114

Lost Communication with Main Switch Module

-

-

-

-

Stabilizer control ECU

U0100

Lost Communication with ECM/PCM "A"

X

X

X

X

U0122

Lost Communication with Vehicle Dynamics Control Module

X

X

X

X

U0124

Lost Communication with Lateral Acceleration Sensor Module

X

X

X

X

U0126

Lost Communication with Steering Angle Sensor Module

X

X

X

X

Navigation receiver assembly

U0073

Sending Malfunction (Navigation to APGS)

X

X

X

X

U0140

Lost Communication with Body Control Module

X

X

X

X

Radio and display receiver assembly

U0073

Sending Malfunction (Navigation to APGS)

X

X

X

X

U0140

Lost Communication with Body Control Module

X

X

X

X

Certification ECU (smart key ECU assembly)

U0100

Lost Communication with ECM/PCM "A"

X

X

○*1

X

U0142

Lost Communication with Body Control Module "B"

X

X

○*1

X

U0155

Lost Communication with Instrument Panel Cluster (IPC) Control Module

X

○*1

X

Power management control ECU (Power Management)*3

U0100

Lost Communication with ECM/PCM "A"

X

X

X

U0129

Lost Communication with Brake System Control Module

○*1

X

X

X

Power management control ECU (Power Management1)*3

U0100

Lost Communication with ECM/PCM "A"

X

X

X

U0164

Lost Communication with HVAC Control Module

-

-

-

-

U1002

Lost Communication with Gateway Module

-

-

-

-

Power steering ECU assembly

U0100

Lost Communication with ECM/PCM "A"

X

X

X

X

U0126

Lost Communication with Steering Angle Sensor Module

X

X

X

X

U0129

Lost Communication with Brake System Control Module

X

X

X

X

Air conditioning amplifier assembly

U0100

Lost Communication With ECM/PCM "A"

○*3

X

X

X

U0142

Lost Communication With Body Control Module "B"

○*3

X

X

X

U0155

Lost Communication With Instrument Panel Cluster (IPC) Control Module

○*3

X

X

U0163

Lost Communication With Navigation Control Module

○*3

X

X

X

V1 Bus Vol. 4

Output from

Output DTC

Detection Item

Detected Communication Stop Mode

V1 Bus

Suspension Control Communication Stop Mode

4WD Control ECU Communication Stop Mode

Navigation Receiver Assembly Communication Stop Mode

Audio Receiver Assembly Communication Stop Mode

Combination meter assembly

U0100

Lost Communication with ECM/PCM "A"

X

X

X

X

U0129

Lost Communication with Brake System Control Module

X

X

X

X

U0131

Lost Communication with Power Steering Control Module

X

X

X

X

U0151

Lost Communication with Restraints Control Module

X

X

X

X

Skid control ECU (brake actuator assembly)

U0073*4

Control Module Communication Bus Off

X

X

X

X

U0100*4

Lost Communication with ECM/PCM

X

X

X

X

U0123*4

Lost Communication with Yaw Rate Sensor Module

X

X

X

X

U0124*4

Lost Communication with Lateral Acceleration Sensor Module

X

X

X

X

U0126*4

Lost Communication with Steering Angle Sensor Module

X

X

X

X

Skid control ECU (master cylinder solenoid)

U0073*4

Control Module Communication Bus Off

X

X

X

X

U0100*4

Lost Communication with ECM/PCM

X

X

X

X

U0114*4

Lost Communication with 4WD Control ECU

X

X

X

U0123*4

Lost Communication with Yaw Rate Sensor Module

X

X

X

X

U0124*4

Lost Communication with Lateral Acceleration Sensor Module

X

X

X

X

U0126*4

Lost Communication with Steering Angle Sensor Module

X

X

X

X

Main body ECU (multiplex network body ECU)

U0100

Lost Communication With ECM/PCM "A"

X

X

X

X

U0101

Lost Communication with TCM

X

X

X

X

U0151

Lost Communication with Restraints Control Module

X

X

X

X

U0155

Lost Communication with Instrument Panel Cluster (IPC) Control Module

X

X

X

X

U0164

Lost Communication with HVAC Control Module

X

X

X

X

U0208

Lost Communication with "Seat Control Module A"

-

-

-

-

U0327

Software Incompatibility with Vehicle Security Control Module

X

X

X

X

U1002

Lost Communication with Gateway Module

-

-

-

-

U1133

Lost Communication with PMN Module

X

X

X

X

U1114

Lost Communication with Main Switch Module

-

-

-

-

Stabilizer control ECU

U0100

Lost Communication with ECM/PCM "A"

○*1

X

X

X

U0122

Lost Communication with Vehicle Dynamics Control Module

○*1

X

X

X

U0124

Lost Communication with Lateral Acceleration Sensor Module

○*1

X

X

X

U0126

Lost Communication with Steering Angle Sensor Module

○*1

X

X

X

Navigation receiver assembly

U0073

Sending Malfunction (Navigation to APGS)

X

X

○*1

-

U0140

Lost Communication with Body Control Module

X

X

○*1

-

Radio and display receiver assembly

U0073

Sending Malfunction (Navigation to APGS)

X

X

-

○*1

U0140

Lost Communication with Body Control Module

X

X

-

○*1

Certification ECU (smart key ECU assembly)

U0100

Lost Communication with ECM/PCM "A"

X

X

X

X

U0142

Lost Communication with Body Control Module "B"

X

X

X

X

U0155

Lost Communication with Instrument Panel Cluster (IPC) Control Module

X

X

X

X

Power management control ECU (Power Management)*3

U0100

Lost Communication with ECM/PCM "A"

X

X

X

X

U0129

Lost Communication with Brake System Control Module

X

X

X

X

Power management control ECU (Power Management1)*3

U0100

Lost Communication with ECM/PCM "A"

X

X

X

X

U0164

Lost Communication with HVAC Control Module

-

-

-

-

U1002

Lost Communication with Gateway Module

-

-

-

-

Power steering ECU assembly

U0100

Lost Communication with ECM/PCM "A"

X

X

X

X

U0126

Lost Communication with Steering Angle Sensor Module

X

X

X

X

U0129

Lost Communication with Brake System Control Module

X

X

X

X

Air conditioning amplifier assembly

U0100

Lost Communication With ECM/PCM "A"

X

X

X

X

U0142

Lost Communication With Body Control Module "B"

X

X

X

X

U0155

Lost Communication With Instrument Panel Cluster (IPC) Control Module

X

X

X

X

U0163

Lost Communication With Navigation Control Module

X

X

Power Management Bus

Output from

Output DTC

Detection Item

Detected Communication Stop Mode

Power Management Bus

ECM Communication Stop Mode

Air Conditioning Amplifier Communication Stop Mode*3

Power Management ECU Communication Stop Mode

Combination meter assembly

U0100

Lost Communication with ECM/PCM "A"

-

-

-

U0129

Lost Communication with Brake System Control Module

-

-

-

U0131

Lost Communication with Power Steering Control Module

-

-

-

U0151

Lost Communication with Restraints Control Module

-

-

-

Skid control ECU (brake actuator assembly)

U0073*4

Control Module Communication Bus Off

-

-

-

U0100*4

Lost Communication with ECM/PCM

-

-

-

U0123*4

Lost Communication with Yaw Rate Sensor Module

-

-

-

U0124*4

Lost Communication with Lateral Acceleration Sensor Module

-

-

-

U0126*4

Lost Communication with Steering Angle Sensor Module

-

-

-

Skid control ECU (master cylinder solenoid)

U0073*4

Control Module Communication Bus Off

-

-

-

U0100*4

Lost Communication with ECM/PCM

-

-

-

U0114*4

Lost Communication with 4WD Control ECU

-

-

-

U0123*4

Lost Communication with Yaw Rate Sensor Module

-

-

-

U0124*4

Lost Communication with Lateral Acceleration Sensor Module

-

-

-

U0126*4

Lost Communication with Steering Angle Sensor Module

-

-

-

Main body ECU (multiplex network body ECU)

U0100

Lost Communication With ECM/PCM "A"

-

-

-

U0101

Lost Communication with TCM

-

-

-

U0151

Lost Communication with Restraints Control Module

-

-

-

U0155

Lost Communication with Instrument Panel Cluster (IPC) Control Module

-

-

-

U0164

Lost Communication with HVAC Control Module

X

○*3

○*3

U0208

Lost Communication with "Seat Control Module A"

-

-

-

U0327

Software Incompatibility with Vehicle Security Control Module

-

-

-

U1002

Lost Communication with Gateway Module

-

-

-

U1133

Lost Communication with PMN Module

-

-

-

U1114

Lost Communication with Main Switch Module

-

-

-

Stabilizer control ECU

U0100

Lost Communication with ECM/PCM "A"

-

-

-

U0122

Lost Communication with Vehicle Dynamics Control Module

-

-

-

U0124

Lost Communication with Lateral Acceleration Sensor Module

-

-

-

U0126

Lost Communication with Steering Angle Sensor Module

-

-

-

Navigation receiver assembly

U0073

Sending Malfunction (Navigation to APGS)

-

-

-

U0140

Lost Communication with Body Control Module

-

-

-

Radio and display receiver assembly

U0073

Sending Malfunction (Navigation to APGS)

-

-

-

U0140

Lost Communication with Body Control Module

-

-

-

Certification ECU (smart key ECU assembly)

U0100

Lost Communication with ECM/PCM "A"

-

-

-

U0142

Lost Communication with Body Control Module "B"

-

-

-

U0155

Lost Communication with Instrument Panel Cluster (IPC) Control Module

-

-

-

Power management control ECU (Power Management)*3

U0100

Lost Communication with ECM/PCM "A"

X

U0129

Lost Communication with Brake System Control Module

-

-

-

Power management control ECU (Power Management1)*3

U0100

Lost Communication with ECM/PCM "A"

X

U0164

Lost Communication with HVAC Control Module

X

U1002

Lost Communication with Gateway Module

Power steering ECU assembly

U0100

Lost Communication with ECM/PCM "A"

-

-

-

U0126

Lost Communication with Steering Angle Sensor Module

-

-

-

U0129

Lost Communication with Brake System Control Module

-

-

-

Air conditioning amplifier assembly

U0100

Lost Communication With ECM/PCM "A"

○*3

○*1 *3

○*3

U0142

Lost Communication With Body Control Module "B"

X

○*1 *3

○*3

U0155

Lost Communication With Instrument Panel Cluster (IPC) Control Module

X

○*1 *3

○*3

U0163

Lost Communication With Navigation Control Module

X

○*1 *3

○*3

MS Bus

Output from

Output DTC

Detection Item

Detected Communication Stop Mode

MS Bus

Main Switch Module Communication Stop Mode

Front Power Seat ECU and Switch LH Communication Stop Mode

Main Body ECU Communication Stop Mode

Combination meter assembly

U0100

Lost Communication with ECM/PCM "A"

-

-

-

U0129

Lost Communication with Brake System Control Module

-

-

-

U0131

Lost Communication with Power Steering Control Module

-

-

-

U0151

Lost Communication with Restraints Control Module

-

-

-

Skid control ECU (brake actuator assembly)

U0073*4

Control Module Communication Bus Off

-

-

-

U0100*4

Lost Communication with ECM/PCM

-

-

-

U0123*4

Lost Communication with Yaw Rate Sensor Module

-

-

-

U0124*4

Lost Communication with Lateral Acceleration Sensor Module

-

-

-

U0126*4

Lost Communication with Steering Angle Sensor Module

-

-

-

Skid control ECU (master cylinder solenoid)

U0073*4

Control Module Communication Bus Off

-

-

-

U0100*4

Lost Communication with ECM/PCM

-

-

-

U0114*4

Lost Communication with 4WD Control ECU

-

-

-

U0123*4

Lost Communication with Yaw Rate Sensor Module

-

-

-

U0124*4

Lost Communication with Lateral Acceleration Sensor Module

-

-

-

U0126*4

Lost Communication with Steering Angle Sensor Module

-

-

-

Main body ECU (multiplex network body ECU)

U0100

Lost Communication With ECM/PCM "A"

-

-

-

U0101

Lost Communication with TCM

-

-

-

U0151

Lost Communication with Restraints Control Module

-

-

-

U0155

Lost Communication with Instrument Panel Cluster (IPC) Control Module

-

-

-

U0164

Lost Communication with HVAC Control Module

-

-

-

U0208

Lost Communication with "Seat Control Module A"

-

○*1

U0327

Software Incompatibility with Vehicle Security Control Module

-

-

-

U1002

Lost Communication with Gateway Module

○*1

U1133

Lost Communication with PMN Module

-

-

-

U1114

Lost Communication with Main Switch Module

-

○*1

Stabilizer control ECU

U0100

Lost Communication with ECM/PCM "A"

-

-

-

U0122

Lost Communication with Vehicle Dynamics Control Module

-

-

-

U0124

Lost Communication with Lateral Acceleration Sensor Module

-

-

-

U0126

Lost Communication with Steering Angle Sensor Module

-

-

-

Navigation receiver assembly

U0073

Sending Malfunction (Navigation to APGS)

-

-

-

U0140

Lost Communication with Body Control Module

-

-

-

Radio and display receiver assembly

U0073

Sending Malfunction (Navigation to APGS)

-

-

-

U0140

Lost Communication with Body Control Module

-

-

-

Certification ECU (smart key ECU assembly)

U0100

Lost Communication with ECM/PCM "A"

-

-

-

U0142

Lost Communication with Body Control Module "B"

-

-

-

U0155

Lost Communication with Instrument Panel Cluster (IPC) Control Module

-

-

-

Power management control ECU (Power Management)*3

U0100

Lost Communication with ECM/PCM "A"

-

-

-

U0129

Lost Communication with Brake System Control Module

-

-

-

Power management control ECU (Power Management1)*3

U0100

Lost Communication with ECM/PCM "A"

-

-

-

U0164

Lost Communication with HVAC Control Module

-

-

-

U1002

Lost Communication with Gateway Module

-

-

-

Power steering ECU assembly

U0100

Lost Communication with ECM/PCM "A"

-

-

-

U0126

Lost Communication with Steering Angle Sensor Module

-

-

-

U0129

Lost Communication with Brake System Control Module

-

-

-

Air conditioning amplifier assembly

U0100

Lost Communication With ECM/PCM "A"

-

-

-

U0142

Lost Communication With Body Control Module "B"

-

-

-

U0155

Lost Communication With Instrument Panel Cluster (IPC) Control Module

-

-

-

U0163

Lost Communication With Navigation Control Module

-

-

-

Terminals Of Ecu
TERMINALS OF ECU HINT: Operating the ignition switch, any switches or any doors triggers related ECU and sensor communication with the CAN, which causes resistance variation. 1. DISCONNECT CABLE ...

Fail-safe Chart
FAIL-SAFE CHART 1. FAIL-SAFE FUNCTION (a) When communication fails in any of the main wires (communication lines) due to a short circuit or other causes, the fail-safe function, which is specified ...

Other materials about Toyota 4Runner:

Components
COMPONENTS ILLUSTRATION ILLUSTRATION ILLUSTRATION ILLUSTRATION ILLUSTRATION ...

Data Signal Circuit between Navigation Receiver Assembly and Extension Module
DESCRIPTION The stereo component tuner assembly sends the sound data signal or image data signal from a device to the navigation receiver assembly via this circuit. WIRING DIAGRAM CAUTION / NOTICE / HINT NOTICE: After replacing the navigation receiver ...

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