HEADLIGHT DIMMER SWITCH INSPECTION
PROCEDURE
INSPECT HEADLIGHT DIMMER SWITCH ASSEMBLY
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*a
Component without harness connected
(Headlight Dimmer Switch Assembly)
Measure the resistance according to the value(s) in the table below.
Standard Resistance
Table 1. 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)*1 - 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)*1 - 15 (EL)
Light control switch in AUTO position
Below 1 Ω
Table 2. Dimmer Switch Tester Connection
Condition
Specified Condition
16 (HL) - 15 (EL)
Dimmer switch in low position
Below 1 Ω
14 (HU) - 15 (EL)
Dimmer switch in high position
Below 1 Ω
14 (HU) - 15 (EL)
Dimmer switch in high flasher position
Below 1 Ω
17 (HF) - 15 (EL)
Below 1 Ω
Table 3. 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
12 (TR) - 15 (EL)
Turn signal switch in right turn position
Below 1 Ω
11 (TL) - 15 (EL)
Turn signal switch in left turn position
Below 1 Ω
Table 4. Fog Light Switch Tester Connection
Condition
Specified Condition
9 (BFG)*2 - 8 (LFG)
Fog light switch off
10 kΩ or higher
9 (BFG)*2 - 8 (LFG)
Fog light switch in front position
Below 1 Ω
7 (B)*3 - 8 (LFG)
Fog light switch off
10 kΩ or higher
7 (B)*3 - 8 (LFG)
Fog light switch in rear position
Below 1 Ω
*1: w/ Automatic Light Control
*2: w/ Front Fog Light
*3: w/ Rear Fog Light
If the result is not as specified, replace the headlight dimmer switch assembly.
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