STEERING PAD SWITCH INSPECTION

PROCEDURE


  1. INSPECT STEERING PAD SWITCH ASSEMBLY


    1. Inspect the steering pad switch assembly. (Type A)


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

        A004B9AE01
        Text in Illustration
        *a

        Component without harness connected

        (Steering Pad Switch Assembly)

        *b Terminal B
        *c VOL+ *d SEEK+
        *e VOL- *f SEEK-
        *g MODE - -
        Standard Resistance
        Tester Connection Switch Condition Specified Condition
        z2-1 (HO) - Terminal B Always Below 2.5 Ω
        z2-10 (AU1) - z2-8 (EAU) No switch pushed 95 to 105 kΩ
        Volume+ switch: pushed 950 to 1050 Ω
        Volume- switch: pushed 2955 to 3265 Ω
        Seek+ switch: pushed Below 2.5 Ω
        Seek- switch: pushed 313 to 345 Ω
        Mode switch: pushed 95 to 105 kΩ
        z2-9 (AU2) - z2-8 (EAU) No switch pushed 95 to 105 kΩ
        Volume+ switch: pushed 95 to 105 kΩ
        Volume- switch: pushed 95 to 105 kΩ
        Seek+ switch: pushed 95 to 105 kΩ
        Seek- switch: pushed 95 to 105 kΩ
        Mode switch: pushed Below 2.5 Ω
        z2-2 (SUP) - A-2 (SUP) Always Below 2.5 Ω
        z2-3 (SDN) - A-3 (SDN) Always Below 2.5 Ω
        z2-6 (ECC) - A-7 (ECC) Always Below 2.5 Ω

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

    2. Inspect the steering pad switch assembly. (Type B)


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

        A004AHFE01
        Text in Illustration
        *a

        Component without harness connected

        (Steering Pad Switch Assembly)

        *b Terminal B
        *c VOL+ *d SEEK+
        *e VOL- *f SEEK-
        *g MODE *h ON HOOK
        *i OFF HOOK - -
        Standard Resistance
        Tester Connection Switch Condition Specified Condition
        z2-1 (HO) - Terminal B Always Below 2.5 Ω
        z2-10 (AU1) - z2-8 (EAU) No switch pushed 95 to 105 kΩ
        Volume+ switch: pushed 950 to 1050 Ω
        Volume- switch: pushed 2955 to 3265 Ω
        Seek+ switch: pushed Below 2.5 Ω
        Seek- switch: pushed 313 to 345 Ω
        On Hook switch: pushed 95 to 105 kΩ
        Off Hook switch: pushed 95 to 105 kΩ
        Mode switch: pushed 95 to 105 kΩ
        z2-9 (AU2) - z2-8 (EAU) No switch pushed 95 to 105 kΩ
        Volume+ switch: pushed 95 to 105 kΩ
        Volume- switch: pushed 95 to 105 kΩ
        Seek+ switch: pushed 95 to 105 kΩ
        Seek- switch: pushed 95 to 105 kΩ
        On Hook switch: pushed 313 to 345 Ω
        Off Hook switch: pushed 950 to 1050 Ω
        Mode switch: pushed Below 2.5 Ω
        z2-2 (SUP) - A-2 (SUP) Always Below 2.5 Ω
        z2-3 (SDN) - A-3 (SDN) Always Below 2.5 Ω
        z2-6 (ECC) - A-7 (ECC) Always Below 2.5 Ω

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

    3. Inspect the steering pad switch assembly. (Type C)


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

        A0048MEE01
        Text in Illustration
        *a

        Component without harness connected

        (Steering Pad Switch Assembly)

        *b Terminal B
        *c VOL+ *d SEEK+
        *e VOL- *f SEEK-
        *g MODE *h ON HOOK
        *i OFF HOOK *j ASLD
        Standard Resistance
        Tester Connection Switch Condition Specified Condition
        z2-1 (HO) - Terminal B Always Below 2.5 Ω
        z2-10 (AU1) - z2-8 (EAU) No switch pushed 95 to 105 kΩ
        Volume+ switch: pushed 950 to 1050 Ω
        Volume- switch: pushed 2955 to 3265 Ω
        Seek+ switch: pushed Below 2.5 Ω
        Seek- switch: pushed 313 to 345 Ω
        On Hook switch: pushed 95 to 105 kΩ
        Off Hook switch: pushed 95 to 105 kΩ
        Mode switch: pushed 95 to 105 kΩ
        ASLD switch: pushed 95 to 105 kΩ
        z2-9 (AU2) - z2-8 (EAU) No switch pushed 95 to 105 kΩ
        Volume+ switch: pushed 95 to 105 kΩ
        Volume- switch: pushed 95 to 105 kΩ
        Seek+ switch: pushed 95 to 105 kΩ
        Seek- switch: pushed 95 to 105 kΩ
        On Hook switch: pushed 313 to 345 Ω
        Off Hook switch: pushed 950 to 1050 Ω
        Mode switch: pushed Below 2.5 Ω
        ASLD switch: pushed 95 to 105 kΩ
        z2-4 (ASL) - z2-6 (ECC) ASLD switch: pushed Below 2.5 Ω
        z2-2 (SUP) - A-2 (SUP) Always Below 2.5 Ω
        z2-3 (SDN) - A-3 (SDN) Always Below 2.5 Ω
        z2-6 (ECC) - A-7 (ECC) Always Below 2.5 Ω

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

    4. Inspect the steering pad switch assembly. (Type D)


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

        A0047GDE01
        Text in Illustration
        *a

        Component without harness connected

        (Steering Pad Switch Assembly)

        *b Terminal B
        *c VOL+ *d SEEK+
        *e VOL- *f SEEK-
        *g MODE *h UP
        *i DOWN *j LEFT
        *k RIGHT *l ENTER
        *m TRIP *n BACK
        Standard Resistance
        Tester Connection Switch Condition Specified Condition
        z2-1 (HO) - Terminal B Always Below 2.5 Ω
        z2-10 (AU1) - z2-8 (EAU) No switch pushed 95 to 105 kΩ
        Volume+ switch: pushed 950 to 1050 Ω
        Volume- switch: pushed 2955 to 3265 Ω
        Seek+ switch: pushed Below 2.5 Ω
        Seek- switch: pushed 313 to 345 Ω
        Mode switch: pushed 95 to 105 kΩ
        z2-9 (AU2) - z2-8 (EAU) No switch pushed 95 to 105 kΩ
        Volume+ switch: pushed 95 to 105 kΩ
        Volume- switch: pushed 95 to 105 kΩ
        Seek+ switch: pushed 95 to 105 kΩ
        Seek- switch: pushed 95 to 105 kΩ
        Mode switch: pushed Below 2.5 Ω
        z2-7 (+DP) - z2-8 (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
        z2-5 (+DP2) - z2-8 (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
        z2-2 (SUP) - A-2 (SUP) Always Below 2.5 Ω
        z2-3 (SDN) - A-3 (SDN) Always Below 2.5 Ω
        z2-6 (ECC) - A-7 (ECC) Always Below 2.5 Ω

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

    5. Inspect the steering pad switch assembly. (Type E)


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

        A004AJUE01
        Text in Illustration
        *a

        Component without harness connected

        (Steering Pad Switch Assembly)

        *b Terminal B
        *c VOL+ *d SEEK+
        *e VOL- *f SEEK-
        *g MODE *h TRIP
        *i UP *j DOWN
        *k LEFT *l RIGHT
        *m ENTER *n ASLD
        *o BACK - -
        Standard Resistance
        Tester Connection Switch Condition Specified Condition
        z2-1 (HO) - Terminal B Always Below 2.5 Ω
        z2-10 (AU1) - z2-8 (EAU) No switch pushed 95 to 105 kΩ
        Volume+ switch: pushed 950 to 1050 Ω
        Volume- switch: pushed 2955 to 3265 Ω
        Seek+ switch: pushed Below 2.5 Ω
        Seek- switch: pushed 313 to 345 Ω
        Mode switch: pushed 95 to 105 kΩ
        z2-9 (AU2) - z2-8 (EAU) No switch pushed 95 to 105 kΩ
        Volume+ switch: pushed 95 to 105 kΩ
        Volume- switch: pushed 95 to 105 kΩ
        Seek+ switch: pushed 95 to 105 kΩ
        Seek- switch: pushed 95 to 105 kΩ
        Mode switch: pushed Below 2.5 Ω
        z2-7 (+DP) - z2-8 (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
        z2-5 (+DP2) - z2-8 (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
        z2-4 (ASL) - z2-6 (ECC) ASLD switch: pushed Below 2.5 Ω
        z2-2 (SUP) - A-2 (SUP) Always Below 2.5 Ω
        z2-3 (SDN) - A-3 (SDN) Always Below 2.5 Ω
        z2-6 (ECC) - A-7 (ECC) Always Below 2.5 Ω

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