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 > Lighting System: Vehicle Specifications have not been Stored (B2451)
DESCRIPTION
This DTC is output if the vehicle variation information is not written to the
headlight ECU sub-assembly LH.
The headlight ECU sub-assembly LH outputs DTC B2451.
DTC No.
Detection Item
DTC Detection Condition
Trouble Area
Note
...
Toyota CH-R Service Manual > Immobiliser System(w/o Smart Key System): No Communication in Immobiliser System (B2796)
DESCRIPTION
This DTC is stored when a key is inserted into the ignition key cylinder but
no communication occurs between the key and transponder key ECU assembly.
DTC No.
Detection Item
DTC Detection Condition
Trouble Area
Note
...
Toyota CH-R Owners Manual
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Toyota CH-R Service Manual
- Introduction
- Maintenance
- Audio / Video
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- Navigation / Multi Info Display
- Park Assist / Monitoring
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- Brake Control / Dynamic Control Systems
- Brake System (other)
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