HEADLIGHT DIMMER SWITCH INSPECTION

PROCEDURE


  1. INSPECT HEADLIGHT DIMMER SWITCH ASSEMBLY (for LHD)


    1. A01W2P8E45
      Text in Illustration
      *A w/ Rear Fog Light
      *a

      Component without harness connected

      (Headlight Dimmer Switch Assembly)

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

      Standard Resistance
      Light Control Switch
      Tester Connection Condition Specified Condition
      18 (T) - 15 (EL) Light control switch off 10 kΩ or higher
      19 (H) - 15 (EL) 10 kΩ or higher
      20 (A) - 15 (EL) 10 kΩ or higher
      18 (T) - 15 (EL) Light control switch in tail position Below 1 Ω
      18 (T) - 15 (EL) Light control switch in head position Below 1 Ω
      19 (H) - 15 (EL) Below 1 Ω
      20 (A) - 15 (EL) Light control switch in AUTO position Below 1 Ω
      Dimmer Switch
      Tester Connection Condition Specified Condition
      14 (HU) - 15 (EL) Dimmer switch in low position 10 kΩ or higher
      14 (HU) - 15 (EL) Dimmer switch in high position Below 1 Ω
      14 (HU) - 15 (EL) Dimmer switch in high flash position Below 1 Ω
      17 (HF) - 15 (EL) Below 1 Ω
      Turn Signal Switch
      Tester Connection Condition Specified Condition
      12 (TR) - 15 (EL) Turn signal switch in neutral position 10 kΩ or higher
      11 (TL) - 15 (EL) 10 kΩ or higher
      13 (CR) - 15 (EL) 10 kΩ or higher
      12 (TR) - 15 (EL) Turn signal switch in right turn position Below 1 Ω
      13 (CR) - 15 (EL) Turn signal switch in full right turn position Below 1 Ω
      11 (TL) - 15 (EL) Turn signal switch in left turn position Below 1 Ω
      13 (CR) - 15 (EL) Turn signal switch in full left turn position Below 1 Ω
      Front Fog Light Switch
      Tester Connection Condition Specified Condition
      9 (BFG) - 8 (LFG) Front fog light switch off 10 kΩ or higher
      9 (BFG) - 8 (LFG) Front fog light switch on Below 1 Ω
      Rear Fog Light Switch*1
      Tester Connection Condition Specified Condition
      7 (B) - 8 (LFG) Rear fog light switch off 10 kΩ or higher
      7 (B) - 8 (LFG) Rear fog light switch on Below 1 Ω

      • *1: w/ Rear Fog Light

      If the result is not as specified, replace the headlight dimmer switch assembly.

  2. INSPECT HEADLIGHT DIMMER SWITCH ASSEMBLY (for RHD)


    1. A01W2P8E46
      Text in Illustration
      *A w/ Rear Fog Light
      *a

      Component without harness connected

      (Headlight Dimmer Switch Assembly)

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

      Standard Resistance
      Light Control Switch
      Tester Connection Condition Specified Condition
      13 (T) - 16 (EL) Light control switch off 10 kΩ or higher
      12 (H) - 16 (EL) 10 kΩ or higher
      11 (A) - 16 (EL) 10 kΩ or higher
      13 (T) - 16 (EL) Light control switch in tail position Below 1 Ω
      13 (T) - 16 (EL) Light control switch in head position Below 1 Ω
      12 (H) - 16 (EL) Below 1 Ω
      11 (A) - 16 (EL) Light control switch in AUTO position Below 1 Ω
      Dimmer Switch
      Tester Connection Condition Specified Condition
      17 (HU) - 16 (EL) Dimmer switch in low position 10 kΩ or higher
      17 (HU) - 16 (EL) Dimmer switch in high position Below 1 Ω
      17 (HU) - 16 (EL) Dimmer switch in high flash position Below 1 Ω
      14 (HF) - 16 (EL) Below 1 Ω
      Turn Signal Switch
      Tester Connection Condition Specified Condition
      20 (TR) - 16 (EL) Turn signal switch in neutral position 10 kΩ or higher
      19 (TL) - 16 (EL) 10 kΩ or higher
      18 (CR) - 16 (EL) 10 kΩ or higher
      20 (TR) - 16 (EL) Turn signal switch in right turn position Below 1 Ω
      18 (CR) - 16 (EL) Turn signal switch in full right turn position Below 1 Ω
      19 (TL) - 16 (EL) Turn signal switch in left turn position Below 1 Ω
      18 (CR) - 16 (EL) Turn signal switch in full left turn position Below 1 Ω
      Front Fog Light Switch
      Tester Connection Condition Specified Condition
      2 (BFG) - 3 (LFG) Front fog light switch off 10 kΩ or higher
      2 (BFG) - 3 (LFG) Front fog light switch on Below 1 Ω
      Rear Fog Light Switch*1
      Tester Connection Condition Specified Condition
      4 (B) - 3 (LFG) Rear fog light switch off 10 kΩ or higher
      4 (B) - 3 (LFG) Rear fog light switch on Below 1 Ω

      • *1: w/ Rear Fog Light

      If the result is not as specified, replace the headlight dimmer switch assembly.