Toyota 4Runner: Can Communication System

Toyota 4Runner Service Manual / Power Source / Network / Networking / Can Communication System

Precaution
Parts Location
System Description
System Diagram
How To Proceed With Troubleshooting
Problem Symptoms Table
Terminals Of Ecu
Diagnosis System
Fail-safe Chart
Diagnostic Trouble Code Chart
Lost Communication with Gateway Module (Power Management2) (U1002)
Lost Communication with Gateway Module (MS Bus) (U1002,U1114)
Lost Communication with Gateway Module (U1002)
Lost Communication with ECM / PCM "A" (U0100)
Lost Communication with "Seat Control Module A" (U0208)
Lost Communication with A/C ECU (U0164)
Brake Actuator (Skid Control ECU) Communication Stop Mode
Skid Control ECU Communication Stop Mode
Air Conditioning Amplifier Communication Stop Mode
Power Steering ECU Communication Stop Mode
Steering Angle Sensor Communication Stop Mode
Yaw Rate Sensor Communication Stop Mode
ECM Communication Stop Mode
Main Body ECU Communication Stop Mode
Power Management Control ECU Communication Stop Mode
Combination Meter ECU Communication Stop Mode
Certification ECU Communication Stop Mode
Center Airbag Sensor Communication Stop Mode
4WD Control ECU Communication Stop Mode
Suspension Control ECU Communication Stop Mode
Navigation Receiver Assembly Communication Stop Mode
Audio Receiver Assembly Communication Stop Mode
Open in CAN Main Wire
Short in CAN Bus Lines
Short to B+ in CAN Bus Line
Short to GND in CAN Bus Line
Open in One Side of CAN Branch Line

Precaution

PRECAUTION 1. IGNITION SWITCH EXPRESSION HINT: The type of ignition switch used on this model differs according to the specifications of the vehicle. The expressions listed in the table below are ...

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Problem Symptoms Table
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Removal
REMOVAL PROCEDURE 1. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL CAUTION: Wait at least 90 seconds after disconnecting the cable from the negative (-) battery terminal to disable the SRS system. NOTICE: When disconnecting the cable, some systems ne ...