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Last Modified: 11-27-2007 1.6 C
Service Category: Vehicle Interior Section: Meter/Gauge/Display
Model Year: 2008 Model: LX570 Doc ID: RM000002O0D00BX
Title: METER / GAUGE / DISPLAY: METER / GAUGE SYSTEM: DESCRIPTION (2008 LX570)

DTC

U0129

Lost Communication with Brake System Control Module

DESCRIPTION

The combination meter communicates with the skid control ECU via the CAN line.

DTC Code

DTC Detection Condition

Trouble Area

U0129

When 15 seconds have elapsed after the engine is started and IG voltage is 10.5 V or higher while no communication with the skid control ECU continues for 3 seconds or more, or when there is no communication with the ECM and skid control ECU for 60 seconds or more.

CAN communication system

Skid Control ECU

WIRING DIAGRAM

INSPECTION PROCEDURE

PROCEDURE

1.

CHECK FOR DTC

(a) Check for DTCs and note any codes that are output METER / GAUGE / DISPLAY: METER / GAUGE SYSTEM: DTC CHECK / CLEAR (2008 LX570) .

(b) Clear the DTCs METER / GAUGE / DISPLAY: METER / GAUGE SYSTEM: DTC CHECK / CLEAR (2008 LX570) .

(c) Recheck for DTCs METER / GAUGE / DISPLAY: METER / GAUGE SYSTEM: DTC CHECK / CLEAR (2008 LX570) .

Result

Result

Proceed to

CAN communication system DTC is not output

A

CAN communication system DTC is output

B

HINT:

If CAN communication system DTC U0129 and another DTC are output at the same time, perform troubleshooting for CAN communication system DTC U0129 first.

A