Dtc U0129 Lost Communication With Skid Control Ecu

Body Electrical. Toyota Rav4. Aca30, 33, 38 Gsa33 Zsa30, 35
Meter. Toyota Rav4. Aca30, 33, 38 Gsa33 Zsa30, 35

DESCRIPTION

WIRING DIAGRAM

INSPECTION PROCEDURE

CONFIRM DTC OUTPUT

DTC U0129 Lost Communication with Skid Control ECU


DESCRIPTION

The combination meter assembly receivers signal from ABS and traction actuator*1 (skid control ECU) or brake actuator*2 (skid control ECU) through the CAN communication system.

DTC No.
DTC Detection Conditions
Trouble Areas
U0129
When either of following conditions detected;
  1. 15 seconds have elapsed since engine started and IG voltage 10.5 V or more
  2. No communication with ABS and traction actuator*1 (skid control ECU) or brake actuator*2 (skid control ECU) continues for 3 seconds or more
    (No communication with ECM or ABS and traction actuator*1 (skid control ECU) or brake actuator*2 (skid control ECU) continues for 60 seconds or more)
  1. ABS and traction actuator*1 (skid control ECU) or brake actuator*2 (skid control ECU)
  2. CAN communication system
*1: w/ VSC
*2: w/o VSC

WIRING DIAGRAM


Toyota Rav4. Aca30, 33, 38 Gsa33 Zsa30, 35.Meter.Meter / Gauge System. Dtc U0129 Lost Communication With Skid Control Ecu


INSPECTION PROCEDURE

1.CONFIRM DTC OUTPUT

  1. Connect the intelligent tester to the DLC3.

  1. Turn the ignition switch on (IG) and turn the tester ON.

  1. Clear the stored DTCs by selecting the following menu items on the tester: Body / Combination Meter / DTC / Clear.

  1. Start the engine and wait for at least 60 seconds.

  1. Check for DTCs.

    Result
    Result
    		Proceed to
    DTC output
    		A
    DTC not output
    		B


B
SYSTEM IS OK
A

GO TO CAN COMMUNICATION SYSTEM