DESCRIPTION
Power is supplied to the radio and display receiver assembly and steering pad switch assembly illumination when the light control switch is in the tail or head position.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
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PROCEDURE
1. |
CHECK ILLUMINATION |
(a) Check if the illumination for the radio and display receiver assembly, steering pad switch assembly, heater control switch or others (hazard switch, transmission control switch, etc.) comes on when the light control switch is turned to the head or tail position.
Result |
Proceed to |
---|---|
Illumination comes on for all components except steering pad switch assembly. |
A |
Illumination comes on for all components except radio and display receiver assembly. |
B |
No illumination comes on (radio and display receiver assembly, hazard switch, heater control switch, etc.). |
C |
B |
GO TO STEP 5 |
C |
GO TO LIGHTING SYSTEM |
|
2. |
CHECK HARNESS AND CONNECTOR (ILLUMINATION SIGNAL) |
(a) Disconnect the spiral cable with sensor sub-assembly connector.
(b) Measure the voltage according to the value(s) in the table below. Standard Voltage:
|
|
NG |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
3. |
INSPECT STEERING PAD SWITCH ASSEMBLY |
(a) Remove the steering pad switch assembly.
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(b) Inspect the steering pad switch assembly.
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(c) Check that the steering pad switch assembly illumination illuminates.
OK:
The steering pad switch assembly illumination illuminates.
NG |
REPLACE STEERING PAD SWITCH ASSEMBLY |
|
4. |
INSPECT SPIRAL CABLE WITH SENSOR SUB-ASSEMBLY |
(a) Remove the spiral cable with sensor sub-assembly.
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(b) Inspect the spiral cable with sensor sub-assembly.
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NOTICE:
OK |
REPAIR OR REPLACE HARNESS OR CONNECTOR (SPIRAL CABLE WITH SENSOR SUB-ASSEMBLY - RADIO AND DISPLAY RECEIVER ASSEMBLY OR BODY GROUND) |
NG |
REPLACE SPIRAL CABLE WITH SENSOR SUB-ASSEMBLY |
5. |
CHECK HARNESS AND CONNECTOR (ILLUMINATION SIGNAL) |
(a) Disconnect the radio and display receiver assembly connector.
(b) Measure the voltage according to the value(s) in the table below. Standard Voltage:
|
|
OK |
REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY |
NG |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
Toyota CH-R Service Manual > Tire Pressure Warning System: Diagnostic Trouble Code Chart
DIAGNOSTIC TROUBLE CODE CHART
Tire Pressure Warning ECU and Receiver
DTC No.
Detection Item
Note
Link
B1247
Tire Pressure Monitor Receiver Communication Stop
This DTC is for main body ECU (multiplex network body ECU ...
Toyota CH-R Service Manual > Shift Lever: Inspection
INSPECTION
PROCEDURE
1. INSPECT SHIFT LOCK CONTROL UNIT ASSEMBLY (w/o Smart Key System)
HINT:
If the results of the following inspections are as specified but a malfunction
has occurred, replace the shift lock control unit assembly.
(a) Inspect the wire harness.
(1) Disconnect the ...