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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: RM000002XJI008X
Title: METER / GAUGE / DISPLAY: METER / GAUGE SYSTEM: DESCRIPTION (2008 LX570)

DTC

U0100

Lost Communication with ECM / PCM "A"

DESCRIPTION

The combination meter communicates with the ECM via the CAN line.

DTC Code

DTC Detection Condition

Trouble Area

U0100

When the vehicle speed is 5 km/h (3 mph) or more and IG voltage is 10.5 V or more while no communication with the ECM 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

ECM

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 U0100 and another DTC are output at the same time, perform troubleshooting for CAN communication system DTC U0100 first.

A