Steering Pad Switch Circuit [03/2019 - 09/2022]: Procedure

1. Disconnect the I55 radio and display receiver assembly connector.
2. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   I55-21 (SW1) - I55-24 (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
   I55-22 (SW2) - I55-24 (SWG)	No switch pushed	95 to 105 kΩ
   	MODE switch pushed	Below 2.5 Ω
   	On/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 [03/2019 - 09/2019]  , or refer to  PROBLEM SYMPTOMS TABLE [09/2019 - 04/2020]  , or refer to  PROBLEM SYMPTOMS TABLE [04/2020 - 09/2022] 

Result: 

NG 

See step  2

1. Remove the steering pad switch assembly.

   Refer to REMOVAL [03/2019 - 09/2022]

2. Inspect the steering pad switch assembly.

   Refer to INSPECTION [03/2019 - 09/2022]

   Result

   Proceed to
   OK
   NG

Result: 

NG 

REPLACE STEERING PAD SWITCH ASSEMBLY. Refer to  REMOVAL [03/2019 - 09/2022] 

Result: 

OK 

See step  3

1. Remove the spiral cable sub-assembly.

   Refer to REMOVAL [03/2019 - 09/2022]

2. Inspect the spiral cable sub-assembly.

   Refer to INSPECTION [06/2018 - ]

   Result

   Proceed to
   OK
   NG

Result: 

OK 

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

Result: 

NG 

REPLACE SPIRAL CABLE SUB-ASSEMBLY. Refer to  REMOVAL [03/2019 - 09/2022]