LIGHTING SYSTEM > Combination Switch (Light)
INSPECTION
Measure the resistance between connector terminals. If it is not within the standard value, replace the switch assembly - combination turn dimmer.
Preparation tool:
Circuit tester

1. LIGHTING SWITCH
Terminal No. | Inspection conditions | Standard |
18 — 12 19 — 12 20 — 12 | Switch OFF | 1 M? or more |
19 — 12 | Switch AUTO | Less than 1 ? |
18 — 12 | Switch 1 (TAIL/PARKING) | Less than 1 ? |
18 — 12 20 — 12 | Switch 2 (HEAD) | Less than 1 ? |
2. DIMMER & PASSING SWITCH
Terminal No. | Inspection conditions | Standard |
11 — 12 17 — 12 | Switch PASS | Less than 1 ? |
11 — 12 | Switch UP | Less than 1 ? |
3. TURN SIGNAL SWITCH
Terminal No. | Inspection conditions | Standard |
13 — 12 | Switch TURN (RH) | Less than 1 ? |
15 — 12 | Switch TURN (LH) | Less than 1 ? |
4. FRONT FOG LIGHT SWITCH
Terminal No. | Inspection conditions | Standard |
4 — 3 | Switch OFF | 1 M? or more |
Switch ON | Less than 1 ? |
RemovalDisassembly
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Dtc b1903 short in front p/t rh (to +b)
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Total trailer weight
Total trailer weight
The total trailer weight (trailer weight plus
its cargo load) must never exceed the
maximum total trailer weight in the following
table.
Conditions
Maximum total trailer weight
When towing a trailer without brakes.
1,000 lbs (453 kg)
When ...