Steering Pad Switch Circuit [12/2015 - 11/2017]: Procedure

1. Remove the steering pad switch assembly (Refer to REMOVAL [12/2015 - ] ).
2. Inspect the steering pad switch assembly (Refer to INSPECTION [12/2015 - 11/2017] ).

Result: 

NG 

REPLACE STEERING PAD SWITCH ASSEMBLY 

(Refer to REMOVAL [12/2015 - ] )

Result: 

OK 

See step  2

1. Remove the spiral cable with sensor sub-assembly (Refer to REMOVAL [12/2015 - ] ).
2. Inspect the spiral cable with sensor sub-assembly (Refer to INSPECTION [12/2015 - ] ).
   RESULT
   
   

   Result	Proceed to
   OK (w/o Steering Heater)	A
   OK (w/ Steering Heater)	B
   NG	C

Result: 

B 

See step  4

Result: 

C 

REPLACE SPIRAL CABLE WITH SENSOR SUB-ASSEMBLY 

(Refer to REMOVAL [12/2015 - ] )

Result: 

A 

See step  3

1. Disconnect the D153 navigation receiver assembly connector.
2. Disconnect the D21 spiral cable with sensor sub-assembly connector.
3. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   D153-21 (SW1) - D21-6 (AU1)	Always	Below 1 Ω
   D153-22 (SW2) - D21-5 (AU2)	Always	Below 1 Ω
   D153-23 (SWG) - D21-3 (EAU)	Always	Below 1 Ω
   D153-21 (SW1) - Body ground	Always	10 kΩ or higher
   D153-22 (SW2) - Body ground	Always	10 kΩ or higher
   D153-23 (SWG) - Body ground	Always	10 kΩ or higher

Result: 

OK 

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE 

(Refer to PROBLEM SYMPTOMS TABLE [12/2015 - 08/2016] Refer to PROBLEM SYMPTOMS TABLE [08/2016 - 11/2017] )

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR 

1. Disconnect the D153 navigation receiver assembly connector.
2. Disconnect the D149 spiral cable with sensor sub-assembly connector.
3. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   D153-21 (SW1) - D149-6 (AU1)	Always	Below 1 Ω
   D153-22 (SW2) - D149-5 (AU2)	Always	Below 1 Ω
   D153-23 (SWG) - D149-3 (EAU)	Always	Below 1 Ω
   D153-21 (SW1) - Body ground	Always	10 kΩ or higher
   D153-22 (SW2) - Body ground	Always	10 kΩ or higher
   D153-23 (SWG) - Body ground	Always	10 kΩ or higher

Result: 

OK 

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE 

(Refer to PROBLEM SYMPTOMS TABLE [12/2015 - 08/2016] Refer to PROBLEM SYMPTOMS TABLE [08/2016 - 11/2017] )

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR