Steering Pad Switch Circuit [11/2017 - ]: Procedure

1. Disconnect the O146 radio receiver assembly connector.
2. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   O146-21 (SW1) - O146-24 (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
   O146-22 (SW2) - O146-24 (SWG)	No switch pushed	95 to 105 kΩ
   	MODE 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: 

OK 

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to  PROBLEM SYMPTOMS TABLE [11/2017 - 03/2019]  , or refer to  PROBLEM SYMPTOMS TABLE [03/2019 - 09/2020]  , or refer to  PROBLEM SYMPTOMS TABLE [09/2020 - 01/2023]  , or refer to  PROBLEM SYMPTOMS TABLE [01/2023 - ] 

Result: 

NG 

See step  2

1. Remove the steering pad switch assembly.

   Refer to REMOVAL [11/2017 - ]

2. Inspect the steering pad switch assembly.

   Refer to INSPECTION [11/2017 - ]

   Result

   Proceed to
   OK
   NG

Result: 

NG 

REPLACE STEERING PAD SWITCH ASSEMBLY. Refer to  REMOVAL [11/2017 - ] 

Result: 

OK 

See step  3

1. Remove the spiral cable sub-assembly.

   Refer to REMOVAL [11/2017 - 01/2023] , or refer to REMOVAL [01/2023 - ]

2. Inspect the spiral cable sub-assembly.

   Refer to INSPECTION [11/2017 - ]

   Result

   Proceed to
   OK
   NG

Result: 

OK 

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

Result: 

NG 

REPLACE SPIRAL CABLE SUB-ASSEMBLY. Refer to  REMOVAL [11/2017 - 01/2023]  , or refer to  REMOVAL [01/2023 - ]