Puddle Lamp Circuit

PUDDLE LAMP CIRCUIT

Description

Controls the lamp (ground side) by PWM signal (duty).

Component Function Check
1.CHECK PUDDLE LAMP CONTROL FUNCTION
CONSULT-III ACTIVE TEST
1. Turn ignition switch ON.
2. Select "PUDDLE LAMP" of TOTAL ILLUM C/U active test item.
3. While operating the test items, check puddle lamps operation.

Are the puddle lamps turned ON/OFF?
YES - Puddle lamp circuit is normal.
NO - SEE Diagnosis Procedure.

Diagnosis Procedure
1.CHECK PUDDLE LAMP CONTROL OUTPUT
CONSULT-III ACTIVE TEST
1. Turn ignition switch ON.
2. Select "PUDDLE LAMP" of TOTAL ILLUM C/U active test item.
3. While operating the test items, check voltage between total illumination control unit harness connector and ground.

Is the measurement value normal?
Fixed at 12 V-Replace the total illumination control unit.
Fixed at 0 V-GO TO 2.
2.CHECK THE SYMPTOM
Check that the lamp fixed to ON or OFF.
Fixed OFF-GO TO 3.
Fixed ON-GO TO 5.
3.CHECK PUDDLE LAMP POWER SUPPLY
1. Turn ignition switch OFF.
2. Disconnect the door mirror connector.
3. Turn ignition switch ON.
4. Check voltage between the door mirror lamp harness connector and ground.

Is the measurement value normal?
YES - GO TO 4.
NO - Check the hospitality lighting power supply circuit 2. Hospitality Lighting Power Supply Circuit 1.
4.CHECK PUDDLE LAMP CONTROL CIRCUIT FOR OPEN
1. Turn ignition switch OFF.
2. Disconnect the total illumination control unit connector.
3. Check continuity between the total illumination control unit harness connector and door mirror harness connector.

Does continuity exist?
YES - Replace the puddle lamp.
NO - Repair the harnesses or connectors.
5.CHECK PUDDLE LAMP CONTROL CIRCUIT FOR SHORT
1. Turn ignition switch OFF.
2. Disconnect the total illumination control unit and puddle lamp connector.
3. Check continuity between the total illumination control unit harness connector and ground.

Does continuity exist?
YES - Repair the harnesses or connectors.
NO - Replace the total illumination control unit.