Headlight Dimmer Switch Inspection

Inspect the light control switch.

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

   Standard Resistance:

   Tester Connection	Switch Condition	Specified Condition
   11 (HU) - 12 (EL)	OFF	10 kΩ or higher
   18 (T) - 12 (EL)	TAIL	Below 1 Ω
   18 (T) - 12 (EL)	HEAD	Below 1 Ω
   20 (H) - 12 (EL)	HEAD	Below 1 Ω
   19 (A) - 12 (EL)	AUTO	Below 1 Ω

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

Inspect the headlight dimmer switch.

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

   Standard Resistance:

   Tester Connection	Switch Condition	Specified Condition
   17 (HF) -12 (EL)	FLASH	Below 1 Ω
   11 (HU) - 12 (EL)	FLASH	Below 1 Ω
   16 (HL) - 12 (EL)	LO BEAM	Below 1 Ω
   11 (HU) - 12 (EL)	HI BEAM	Below 1 Ω

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

Inspect the turn signal switch.

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

   Standard Resistance:

   Tester Connection	Switch Condition	Specified Condition
   13 (TR) - 12 (EL)	Right turn	Below 1 Ω
   13 (TR) - 12 (EL)	Neutral	10 kΩ or higher
   15 (TL) - 12 (EL)	Neutral	10 kΩ or higher
   15 (TL) - 12 (EL)	Left turn	Below 1 Ω

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

Inspect the fog light switch.

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

   Standard Resistance:

   Tester Connection	Switch Condition	Specified Condition
   3 (LFG) - 4 (BFG)	OFF	10 kΩ or higher
   3 (LFG) - 4 (BFG)	ON	Below 1 Ω

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

   Text in Illustration

   *a	Component without harness connected (Headlight Dimmer Switch Assembly)

Inspect the light control switch.

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

   Standard Resistance:

   Tester Connection	Switch Condition	Specified Condition
   20 (HU) - 19 (EL)	OFF	10 kΩ or higher
   13 (T) - 19 (EL)	TAIL	Below 1 Ω
   13 (T) - 19 (EL)	HEAD	Below 1 Ω
   11 (H) - 19 (EL)	HEAD	Below 1 Ω
   12 (A) - 19 (EL)	AUTO	Below 1 Ω

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

Inspect the headlight dimmer switch.

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

   Standard Resistance:

   Tester Connection	Switch Condition	Specified Condition
   14 (HF) -19 (EL)	FLASH	Below 1 Ω
   20 (HU) - 19 (EL)	FLASH	Below 1 Ω
   15 (HL) - 19 (EL)	LO BEAM	Below 1 Ω
   20 (HU) - 19 (EL)	HI BEAM	Below 1 Ω

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

Inspect the turn signal switch.

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

   Standard Resistance:

   Tester Connection	Switch Condition	Specified Condition
   16 (TR) - 19 (EL)	Right turn	Below 1 Ω
   16 (TR) - 19 (EL)	Neutral	10 kΩ or higher
   18 (TL) - 19 (EL)	Neutral	10 kΩ or higher
   18 (TL) - 19 (EL)	Left turn	Below 1 Ω

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

Inspect the fog light switch.

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

   Standard Resistance:

   Tester Connection	Switch Condition	Specified Condition
   8 (LFG) - 7 (BFG)	OFF	10 kΩ or higher
   8 (LFG) - 7 (BFG)	ON	Below 1 Ω

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

   Text in Illustration

   *a	Component without harness connected (Headlight Dimmer Switch Assembly)

Inspect the light control switch.

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

   Standard Resistance:

   Tester Connection	Switch Condition	Specified Condition
   9 (HU) - 11 (ED)	Light control switch off	10 kΩ or higher
   8 (HL) - 11 (ED)
   13 (B1) - 10 (T1)	Light control switch tail	Below 1 Ω
   9 (HU) - 11 (ED)	Light control switch head	Below 1 Ω
   8 (HL) - 11 (ED)

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

Inspect the headlight dimmer switch.

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

   Standard Resistance:

   Tester Connection	Switch Condition	Specified Condition
   9 (HU) - 11 (ED)	Headlight dimmer switch hi beam	Below 1 Ω

   HINT:

   Perform the flash and high beam inspection with the light control switch on head.

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

Inspect the turn signal switch.

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

   Standard Resistance:

   Tester Connection	Switch Condition	Specified Condition
   6 (TR) - 7 (E)	Turn signal switch right turn	Below 1 Ω
   6 (TR) - 7 (E)	Turn signal switch right lane change	Below 1 Ω
   6 (TR) - 7 (E)	Turn signal switch neutral	10 kΩ or higher
   5 (TL) - 7 (E)
   5 (TL) - 7 (E)	Turn signal switch left lane change	Below 1 Ω
   5 (TL) - 7 (E)	Turn signal switch left turn	Below 1 Ω

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

Inspect the fog light switch.

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

   Standard Resistance:

   Tester Connection	Switch Condition	Specified Condition
   3 (BFG) - 4 (LFG)	Fog light switch off	10 kΩ or higher
   3 (BFG) - 4 (LFG)	Front fog light switch on	Below 1 Ω

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

   Text in Illustration

   *a	Component without harness connected (Headlight Dimmer Switch Assembly)

Inspect the light control switch.

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

   Standard Resistance:

   Tester Connection	Switch Condition	Specified Condition
   9 (HU) - 7 (ED)	Light control switch off	10 kΩ or higher
   10 (HL) - 7 (ED)
   5 (B1) - 8 (T1)	Light control switch tail	Below 1 Ω
   9 (HU) - 7 (ED)	Light control switch head	Below 1 Ω
   10 (HL) - 7 (ED)

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

Inspect the headlight dimmer switch.

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

   Standard Resistance:

   Tester Connection	Switch Condition	Specified Condition
   9 (HU) - 7 (ED)	Headlight dimmer switch hi beam	Below 1 Ω

   HINT:

   Perform the flash and high beam inspection with the light control switch on head.

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

Inspect the turn signal switch.

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

   Standard Resistance:

   Tester Connection	Switch Condition	Specified Condition
   13 (TR) - 11 (E)	Turn signal switch right turn	Below 1 Ω
   13 (TR) - 11 (E)	Turn signal switch right lane change	Below 1 Ω
   13 (TR) - 11 (E)	Turn signal switch neutral	10 kΩ or higher
   12 (TL) - 11 (E)
   12 (TL) - 11 (E)	Turn signal switch left lane change	Below 1 Ω
   12 (TL) - 11 (E)	Turn signal switch left turn	Below 1 Ω

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

Inspect the fog light switch.

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

   Standard Resistance:

   Tester Connection	Switch Condition	Specified Condition
   2 (BFG) - 1 (LFG)	Fog light switch off	10 kΩ or higher
   2 (BFG) - 1 (LFG)	Front fog light switch on	Below 1 Ω

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

   Text in Illustration

   *a	Component without harness connected (Headlight Dimmer Switch Assembly)