Steering Pad Switch Circuit [11/2016 - ]: Procedure
- CHECK HARNESS AND CONNECTOR (STEERING PAD SWITCH SIGNAL)
- Disconnect the F71 radio and display receiver assembly connector.
- Measure the resistance according to the value(s) in the table below.
Standard Resistance
Tester Connection Condition Specified Condition F71-21 (SW1) - F71-23 (SWG) No switch pushed 95 to 105 kΩ Seek+ switch pushed Below 2.5 Ω Seek- switch pushed 313 to 345 Ω Volume+ switch pushed 950 to 1050 Ω Volume- switch pushed 2955 to 3265 Ω F71-22 (SW2) - F71-23 (SWG) No switch pushed 95 to 105 kΩ MODE/HOLD switch pushed Below 2.5 Ω On hook switch pushed 313 to 345 Ω Off hook switch pushed 950 to 1050 Ω Voice switch pushed 2955 to 3265 Ω Result
Proceed to OK NG
Result: 1
OK
PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to PROBLEM SYMPTOMS TABLE [11/2016 - ]
Result: 2
NG
See step 2
- INSPECT STEERING PAD SWITCH ASSEMBLY
- Remove the steering pad switch assembly.
Refer to REMOVAL [12/2013 - ]
- Inspect the steering pad switch assembly.
Refer to INSPECTION [11/2016 - ]
Result
Proceed to OK NG
Result: 2
NG
REPLACE STEERING PAD SWITCH ASSEMBLY. Refer to REMOVAL [12/2013 - ]
Result: 1
OK
See step 3
- Remove the steering pad switch assembly.
- INSPECT SPIRAL CABLE SUB-ASSEMBLY
- Remove the spiral cable sub-assembly.
Refer to REMOVAL [12/2013 - ]
- Inspect the spiral cable sub-assembly.
Refer to INSPECTION [11/2016 - ]
Result
Proceed to OK NG
Result: 1
OK
REPAIR OR REPLACE HARNESS OR CONNECTOR (RADIO AND DISPLAY RECEIVER ASSEMBLY - SPIRAL CABLE SUB-ASSEMBLY)
Result: 2
NG
REPLACE SPIRAL CABLE SUB-ASSEMBLY. Refer to REMOVAL [12/2013 - ]
- Remove the spiral cable sub-assembly.