STEP LAMP CIRCUIT
Description
Controls the step lamp (ground side) to turn the step lamp ON and OFF.
STEP LAMP CIRCUIT
Diagnosis Procedure
1.CHECK STEP LAMP OUTPUT
CONSULT-III
- Turn ignition switch ON.
- Select "STEP LAMP TEST" of BCM (INT LAMP) active test item.
- While operating the test item, check voltage between BCM connector M17 terminal 7 and ground.
Is the Inspection result normal?
YES >> Step lamp circuit is operating normally.
Fixed ON>>GO TO 3
Fixed OFF>>GO TO 2
2.CHECK STEP LAMP OPEN CIRCUIT
- Turn ignition switch OFF.
- Disconnect BCM connector M17 and step lamp LH and RH connectors.
- Check continuity between BCM connector M17 (A) terminal 7 and step lamp connector (B) terminal 2.
Is the Inspection result normal?
YES >> Check the step lamps for an open. If OK, replace BCM. Refer to See: Body and Frame\Body Control Systems\Body Control Module\Service and Repair. If NG, replace the interior room lamp. Refer to See: Courtesy Lamp\Service and Repair.
NO >> Repair harness or connectors.
3.CHECK STEP LAMP SHORT CIRCUIT
- Turn ignition switch OFF.
- Disconnect BCM connector M17 and step lamp LH and RH connectors.
- Check continuity between BCM connector M17 terminal 7 and ground.
Is the Inspection result normal?
YES >> Check the step lamps for a short circuit. If OK, replace BCM. Refer to See: Body and Frame\Body Control Systems\Body Control Module\Service and Repair. If NG, replace the interior room lamp. Refer to See: Courtesy Lamp\Service and Repair.
NO >> Repair harness or connectors.
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