Steering Pad Switch Circuit [10/2015 - ]: Procedure

1. Disconnect the K57 radio receiver assembly connector.
2. Measure the resistance according to the value (s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   K57-30 (SW1) - K57-32 (SWG)	No switch pushed	99 to 101 kΩ
   	Seek+ switch pushed	Below 2.5 Ω
   	Seek- switch pushed	326.7 to 333.3 Ω
   	Volume+ switch pushed	998.9 to 1020.1 Ω
   	Volume- switch pushed	3176.9 to 3242.1 Ω
   K57-31 (SW2) - K57-32 (SWG)	No switch pushed	99 to 101 kΩ
   	MODE switch pushed	Below 2.5 Ω
   	On hook switch pushed	326.7 to 333.3 Ω
   	Off hook switch pushed	998.9 to 1020.1 Ω
   	Voice switch pushed	3176.9 to 3242.1 Ω

   Result

   Proceed to
   OK
   NG

Result: 

OK 

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to  PROBLEM SYMPTOMS TABLE [10/2015 - 09/2017]  , or refer to  PROBLEM SYMPTOMS TABLE [09/2017 - ] 

Result: 

NG 

See step  2

1. Remove the steering pad switch assembly.

   Refer to REMOVAL [10/2015 - 09/2017] , or refer to REMOVAL [09/2017 - ]

2. Inspect the steering pad switch assembly.

   Refer to INSPECTION [10/2015 - 09/2017] , or refer to INSPECTION [09/2017 - ]

   Result

   Proceed to
   OK
   NG

Result: 

NG 

REPLACE STEERING PAD SWITCH ASSEMBLY. Refer to  REMOVAL [10/2015 - 09/2017]  , or refer to  REMOVAL [09/2017 - ] 

Result: 

OK 

See step  3

1. Remove the spiral cable with sensor sub-assembly.

   Refer to REMOVAL [10/2015 - 09/2017] , or refer to REMOVAL [09/2017 - ]

2. Inspect the spiral cable with sensor sub-assembly.

   Refer to INSPECTION [10/2015 - 09/2017] , or refer to INSPECTION [09/2017 - ]

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPAIR OR REPLACE HARNESS OR CONNECTOR (RADIO RECEIVER ASSEMBLY - SPIRAL CABLE WITH SENSOR SUB-ASSEMBLY) 

Result: 

NG 

REPLACE SPIRAL CABLE WITH SENSOR SUB-ASSEMBLY. Refer to  REMOVAL [10/2015 - 09/2017]  , or refer to  REMOVAL [09/2017 - ]