PROBLEM SYMPTOMS TABLE
HINT:
Symptom |
Suspected Area |
Link |
---|---|---|
Wireless control function and entry function do not operate |
Proceed to "All Door Entry Lock / Unlock Functions and Wireless Functions do not Operate" |
|
Wireless control function does not operate but entry function operates |
Electrical key transmitter sub-assembly |
- |
Only answer-back function does not operate properly |
Proceed to "No Answer-Back" |
|
Only automatic lock function does not operate properly |
Perform operation check |
|
Lighting system (Int) (Door courtesy switch circuit) |
|
|
Main body ECU (Multiplex network body ECU) |
- |
|
Only illuminated entry function does not operate |
Perform operation check |
|
Lighting system (Int) |
|
|
Main body ECU (Multiplex network body ECU) |
- |
|
Only door ajar warning buzzer function does not operate |
Wireless Door Lock Buzzer |
|
Only panic alarm function does not operate*1 |
Perform operation check |
|
Lighting system (Int) (Interior lights) |
|
|
Lighting system (EXT) (Headlights, taillights, hazard warning lights) |
|
|
horn system |
|
|
Instrument panel junction block assembly |
- |
|
Main body ECU (Multiplex network body ECU) |
- |
|
When returning to the vehicle, although door unlock operation was not performed, doors were in an unlocked state. |
Proceed to "Improper Operation" |
|
When returning to the vehicle, although door lock operation was not performed, doors were in a locked state. |
Proceed to "Improper Operation" |
|
Toyota CH-R Service Manual > Audio And Visual System(for Radio And Display Type): Steering Pad Switch Circuit
DESCRIPTION
This circuit sends an operation signal from the steering pad switch assembly
to the radio and display receiver assembly.
If there is an open in the circuit, the audio system cannot be operated using
the steering pad switch assembly.
If there is a short in the circuit, the same con ...
Toyota CH-R Service Manual > Navigation System: Speed Signal Malfunction (B15C2)
DESCRIPTION
The navigation ECU receives a vehicle speed signal from the combination meter
assembly and information from the navigation antenna assembly, and then adjusts
the vehicle position on the map.
The navigation ECU stores this DTC when the difference between the speed information
that ...