DESCRIPTION
The combination meter assembly communicates with the ECM, brake actuator assembly (skid control ECU), power steering ECU assembly, main body ECU (multiplex network body ECU), airbag sensor assembly, headlight control ECU sub-assembly LH*1, front camera module*2, millimeter wave radar sensor assembly*2 via CAN communication.
HINT:
*1: for LED Headlight
*2: w/ Toyota Safety Sense P
DTC No. |
Detection Item |
DTC Detection Condition |
Trouble Area |
Memory |
Note |
---|---|---|---|---|---|
U0100 |
Lost Communication with ECM / PCM "A" |
When IG voltage is 9.5 V or more and the following condition is detected:
|
|
DTC stored |
- |
U0129 |
Lost Communication with Brake System Control Module |
When IG voltage is 9.5 V or more and the following condition is detected:
|
|
DTC stored |
- |
U0131 |
Lost Communication with Power Steering Control Module |
When IG voltage is 9.5 V or more and the following condition is detected:
|
|
DTC stored |
- |
U0142 |
Lost Communication with Body Control Module "B" |
When IG voltage is 9.5 V or more and the following condition is detected:
|
|
DTC stored |
- |
U0151 |
Lost Communication with Restraints Control Module |
When IG voltage is 9.5 V or more and the following condition is detected:
|
|
DTC stored |
- |
U0182 |
Lost Communication with Lighting Control Module Front |
When IG voltage is 9.5 V or more and the following condition is detected:
|
|
DTC stored |
*1 |
U0235 |
Lost Communication with Cruise Control Front Distance Range Sensor |
When IG voltage is 9.5 V or more and the following condition is detected:
|
|
DTC stored |
*2 |
U023A |
Lost Communication with Front Camera Module |
When IG voltage is 9.5 V or more and either of the following conditions is met:
|
|
DTC stored |
*2, *3 |
PROCEDURE
1. |
CHECK CAN COMMUNICATION SYSTEM |
(a) Check if CAN communication DTCs are output.
Click here
Result |
Proceed to |
---|---|
CAN communication DTCs are output. |
A |
CAN communication DTCs are not output. |
B |
A |
GO TO CAN COMMUNICATION SYSTEM |
B |
USE SIMULATION METHOD TO CHECK |
Toyota CH-R Service Manual > Lighting System: Ambient Illumination Light Circuit
DESCRIPTION
The main body ECU (multiplex network body ECU) controls the ambient illumination
lights.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
Inspect the lights for circuits related to this system before performing
the following procedure.
Before replacing the main ECU ...
Toyota CH-R Service Manual > Theft Deterrent System: Parts Location
PARTS LOCATION
ILLUSTRATION
*1
HOOD COURTESY SWITCH
*2
LOW PITCHED HORN ASSEMBLY
*3
HORN RELAY
*4
SECURITY HORN ASSEMBLY
*5
HOOD LOCK ASSEMBLY
*6
NO. 1 ...