Toyota 4Runner manuals

Toyota 4Runner: Lost Communication with ECM/PCM "A" (U0100/71,U0122/71,U0124/71,U0126/71)

Toyota 4Runner Service Manual / Suspension / Suspension Control / Kinetic Dynamic Suspension System / Lost Communication with ECM/PCM "A" (U0100/71,U0122/71,U0124/71,U0126/71)

DESCRIPTION

DTC Code

DTC Detection Condition

Trouble Area

U0100/71

While driving at 30 km/h (19 mph), the ECM indicates a CAN communication stop for 3 seconds or more.

CAN communication system

U0122/71

The skid control ECU indicates a CAN communication stop for 3 seconds or more.

CAN communication system

U0124/71

The yaw rate sensor indicates a CAN communication stop for 3 seconds or more.

CAN communication system

U0126/71

The steering angle sensor indicates a CAN communication stop for 3 seconds or more.

CAN communication system

PROCEDURE

1.

CHECK DTC

(a) Clear the DTCs (See page ).


(b) Perform a road test.

(c) Check for DTCs (See page ).


Result

Condition

Proceed to

DTC is not output

A

DTC is output

B

HINT:

If a CAN communication malfunction DTC and a related sensor malfunction DTC are output at the same time, the CAN communication malfunction must be repaired before troubleshooting the sensor malfunction DTC.


A

USE SIMULATION METHOD TO CHECK


B

GO TO CAN COMMUNICATION SYSTEM (HOW TO PROCEED WITH TROUBLESHOOTING)

KDSS ECU Malfunction (C1881/81)
DESCRIPTION The stabilizer control ECU stores DTC C1881/81 when internal ECU malfunctions occur. DTC Code DTC Detection Condition Trouble Area C18 ...

Low Pressure Malfunction in Upside of KDSS System (C1851/51,C1853/53)
DESCRIPTION In the KDSS hydraulic circuit, the fluid is contained under pressure. If the fluid temperature is 20°C (68°F), the pressure is approximately 3.0 MPa (30.6 kgf/cm2, 435 psi). ...

Other materials about Toyota 4Runner:

Green Indicator Remains Off
DESCRIPTION After the ignition switch is turned to ON, the DCM (Telematics Transceiver) will enter a self check mode. The manual (SOS) switch red indicator will illuminate for 2 seconds and turn off followed by the manual (SOS) switch green indicator illu ...

Disassembly
DISASSEMBLY CAUTION / NOTICE / HINT HINT: Use the same procedure for the RH and LH sides. The procedure listed below is for the LH side. PROCEDURE 1. REMOVE REAR WHEEL 2. DISCONNECT REAR DISC BRAKE CYLINDER ASSEMBLY LH (a) R ...

© 2016-2021 | www.to4runner.net

0.0053