Toyota CH-R Service Manual: Lost Communication With ECM/PCM "A" (U0100,U0129,U023A)
DESCRIPTION
The power steering ECU assembly receives signals from the ECM and skid control ECU (brake actuator assembly) via CAN communication.
|
DTC No. |
Detection Item |
DTC Detection Condition |
Trouble Area |
Warning Indicate |
Return-to-normal Condition |
Note |
|---|---|---|---|---|---|---|
|
U0100 |
Lost Communication With ECM/PCM "A" |
Lost communication with ECM |
|
EPS warning light: Does not come on |
The ECU judges the system has returned to normal or the ignition switch is turned ON again |
- |
|
U0129 |
Lost Communication with Brake System Control Module |
Lost communication with skid control ECU (brake actuator assembly) |
|
EPS warning light: Comes on |
The ECU judges the system has returned to normal or the ignition switch is turned ON again |
- |
|
U023A |
Lost Communication with Front Camera Module |
Lost communication with forward recognition camera |
|
EPS warning light: Does not come on |
The ECU judges the system has returned to normal or the ignition switch is turned ON again |
w/ Toyota Safety Sense P |
PROCEDURE
|
1. |
GO TO CAN COMMUNICATION SYSTEM |
(a) Go to CAN communication system.
Click here
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EPS Warning Light Circuit
DESCRIPTION
If the power steering ECU assembly detects a malfunction, the power steering
ECU assembly stores a DTC and illuminates the EPS warning light.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
...
TC and CG Terminal Circuit
DESCRIPTION
Connecting terminals TC and CG of the DLC3 causes the ECU to display DTCs by
blinking the EPS warning light.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
If the power steering E ...
Other materials:
Toyota CH-R Service Manual > Key Reminder Warning System: Parts Location
PARTS LOCATION
ILLUSTRATION
*1
FRONT DOOR COURTESY LIGHT SWITCH ASSEMBLY (for LH)
*2
UNLOCK WARNING SWITCH ASSEMBLY
*3
COMBINATION METER ASSEMBLY
*4
DLC3
*5
MAIN BODY ECU (MU ...
Toyota CH-R Service Manual > Wireless Door Lock Control System(w/ Smart Key System): How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT
HINT:
The wireless door lock control system troubleshooting procedure is based
on the premise that the power door lock control system is operating properly.
Check the power door lock control system first before troubleshooting the
wireless door lock cont ...
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Toyota CH-R Service Manual
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