STEERING PAD SWITCH INSPECTION

PROCEDURE

1. INSPECT STEERING PAD SWITCH ASSEMBLY (Type A)

   1. Measure the resistance according to the value(s) in the table below.

      

      *A	w/ Lane Departure Alert System	*B	w/ Speed Limiter System
      *C	w/ Shift Paddle Switch	-	-
      *a	Component without harness connected (Steering Pad Switch Assembly)	*b	Volume+
      *c	Volume-	*d	Voice
      *e	MODE	*f	Seek+
      *g	Seek-	*h	Off Hook
      *i	On Hook	*j	Enter
      *k	Up	*l	Down
      *m	Left	*n	Right
      *o	Back	*p	TRIP
      *q	Speed limiter	*r	Lane departure alert

      Standard Resistance

      Tester Connection	Condition	Specified Condition
      z1-1 (HO) - A-1 (HO)	Always	Below 2.5 Ω
      z1-11 (AU1) - z1-8 (EAU)	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
      z1-10 (AU2) - z1-8 (EAU)	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
      z1-2 (+DP) - z1-8 (EAU)	No switch pushed	95 to 105 kΩ
      	Enter switch pushed	Below 2.5 Ω
      	TRIP switch pushed	313 to 345 Ω
      	Back switch pushed	950 to 1050 Ω
      z1-3 (+DP2) - z1-8 (EAU)	No switch pushed	95 to 105 kΩ
      	Left switch pushed	Below 2.5 Ω
      	UP switch pushed	313 to 345 Ω
      	Down switch pushed	950 to 1050 Ω
      	Right switch pushed	2955 to 3265 Ω
      z1-4 (DIST) - z1-7 (ECC)*1	No switch pushed	1 MΩ or higher
      	Lane departure alert switch pushed	Below 2.5 Ω
      z1-9 (ASL) - z1-7 (ECC)*2	No switch pushed	1 MΩ or higher
      	Speed limiter switch pushed	Below 2.5 Ω
      z1-6 (SUP) - SR-2 (SUP)*3	Always	Below 2.5 Ω
      z1-7 (ECC) - SR-7 (ECC)*3	Always	Below 2.5 Ω
      z1-12 (SDN) - SR-3 (SDN)*3	Always	Below 2.5 Ω

      • *1: w/ Lane Departure Alert System

      • *2: w/ Speed Limiter System

      • *3: w/ Shift Paddle Switch

      Tip:

      If the result is not as specified, replace the steering pad switch assembly.

   2. Check the illumination.

      

      *a

      Component without harness connected (Steering Pad Switch Assembly)

      -

      -

      1. Connect a positive (+) lead from the battery to terminal 5 (IL+2) and a negative (-) lead to terminal 8 (EAU) of the steering pad switch assembly connector.

      2. Check that the steering pad switch assembly illumination illuminates.

         OK

         The steering pad switch assembly illumination illuminates.

         Tip:

         If the result is not as specified, replace the steering pad switch assembly.

2. INSPECT STEERING PAD SWITCH ASSEMBLY (Type B)

   1. Measure the resistance according to the value(s) in the table below.

      

      *A	w/ Speed Limiter System	*B	w/ Shift Paddle Switch
      *C	w/ DISP Switch	-	-
      *a	Component without harness connected (Steering Pad Switch Assembly)	*b	Volume+
      *c	Volume-	*d	MODE
      *e	Seek+	*f	Seek-
      *g	Off Hook	*h	On Hook
      *i	DISP	*j	Speed limiter

      Standard Resistance

      Tester Connection	Condition	Specified Condition
      z1-1 (HO) - A-1 (HO)	Always	Below 2.5 Ω
      z1-11 (AU1) - z1-8 (EAU)	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
      z1-10 (AU2) - z1-8 (EAU)	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
      z1-2 (+DP) - z1-8 (EAU)*1	No switch pushed	95 to 105 kΩ
      	DISP switch pushed	Below 2.5 Ω
      z1-9 (ASL) - z1-7 (ECC)*2	No switch pushed	1 MΩ or higher
      	Speed limiter switch pushed	Below 2.5 Ω
      z1-6 (SUP) - SR-2 (SUP)*3	Always	Below 2.5 Ω
      z1-7 (ECC) - SR-7 (ECC)*3	Always	Below 2.5 Ω
      z1-12 (SDN) - SR-3 (SDN)*3	Always	Below 2.5 Ω

      • *1: w/ DISP Switch

      • *2: w/ Speed Limiter System

      • *3: w/ Shift Paddle Switch

      Tip:

      If the result is not as specified, replace the steering pad switch assembly.

   2. Check the illumination.

      

      *a

      Component without harness connected (Steering Pad Switch Assembly)

      -

      -

      1. Connect a positive (+) lead from the battery to terminal 5 (IL+2) and a negative (-) lead to terminal 8 (EAU) of the steering pad switch assembly connector.

      2. Check that the steering pad switch assembly illumination illuminates.

         OK

         The steering pad switch assembly illumination illuminates.

         Tip:

         If the result is not as specified, replace the steering pad switch assembly.

3. INSPECT STEERING PAD SWITCH ASSEMBLY (Type C)

   1. Measure the resistance according to the value(s) in the table below.

      

      *a	Component without harness connected (Steering Pad Switch Assembly)	*b	Volume+
      *c	Volume-	*d	Seek-
      *e	Seek+	*f	MODE

      Standard Resistance

      Tester Connection	Condition	Specified Condition
      z1-1 (HO) - A-1 (HO)	Always	Below 2.5 Ω
      z1-11 (AU1) - z1-8 (EAU)	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
      z1-10 (AU2) - z1-8 (EAU)	No switch pushed	95 to 105 kΩ
      	MODE switch pushed	Below 2.5 Ω

      Tip:

      If the result is not as specified, replace the steering pad switch assembly.

   2. Check the illumination.

      

      *a

      Component without harness connected (Steering Pad Switch Assembly)

      -

      -

      1. Connect a positive (+) lead from the battery to terminal 5 (IL+2) and a negative (-) lead to terminal 8 (EAU) of the steering pad switch assembly connector.

      2. Check that the steering pad switch assembly illumination illuminates.

         OK

         The steering pad switch assembly illumination illuminates.

         Tip:

         If the result is not as specified, replace the steering pad switch assembly.

4. INSPECT STEERING PAD SWITCH ASSEMBLY (Type D)

   1. Measure the resistance according to the value(s) in the table below.

      

      *a	Component without harness connected (Steering Pad Switch Assembly)	*b	Volume+
      *c	Volume-	*d	Seek-
      *e	Seek+	*f	MODE
      *g	TRIP	*h	Back
      *i	Enter	*j	Left
      *k	Up	*l	Down
      *m	Right	-	-

      Standard Resistance

      Tester Connection	Condition	Specified Condition
      z1-1 (HO) - A-1 (HO)	Always	Below 2.5 Ω
      z1-11 (AU1) - z1-8 (EAU)	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
      z1-10 (AU2) - z1-8 (EAU)	No switch pushed	95 to 105 kΩ
      	MODE switch pushed	Below 2.5 Ω
      z1-2 (+DP) - z1-8 (EAU)	No switch pushed	95 to 105 kΩ
      	Enter switch pushed	Below 2.5 Ω
      	TRIP switch pushed	313 to 345 Ω
      	Back switch pushed	950 to 1050 Ω
      z1-3 (+DP2) - z1-8 (EAU)	No switch pushed	95 to 105 kΩ
      	Left switch pushed	Below 2.5 Ω
      	Up switch pushed	313 to 345 Ω
      	Down switch pushed	950 to 1050 Ω
      	Right switch pushed	2955 to 3265 Ω

      Tip:

      If the result is not as specified, replace the steering pad switch assembly.

   2. Check the illumination.

      

      *a

      Component without harness connected (Steering Pad Switch Assembly)

      -

      -

      1. Connect a positive (+) lead from the battery to terminal 5 (IL+2) and a negative (-) lead to terminal 8 (EAU) of the steering pad switch assembly connector.

      2. Check that the steering pad switch assembly illumination illuminates.

         OK

         The steering pad switch assembly illumination illuminates.

         Tip:

         If the result is not as specified, replace the steering pad switch assembly.