Foot Lamp Circuit
FOOT LAMP CIRCUIT
Description
Controls the lamp (ground side) by PWM signal (duty).
Component Function Check
CAUTION:
Check foot lamp bulbs first.
1. CHECK FOOT LAMP CONTROL FUNCTION
CONSULT ACTIVE TEST
1.Turn ignition switch ON.
2.Select "FOOT LAMP" of TOTAL ILLUM C/U active test item.
3.While operating the test items, check foot lamps operation.
Are the foot lamps turned ON/OFF?
YES- Foot lamp circuit is normal.
NO- Mood Lamp (Front Door Armrest) Circuit.
Diagnosis Procedure
1. CHECK FOOT LAMP CONTROL OUTPUT
CONSULT ACTIVE TEST
1.Turn ignition switch ON.
2.Select "FOOT 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.
Driver side
Passenger side
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 FOOT LAMP POWER SUPPLY
1.Turn ignition switch OFF.
2.Disconnect the foot lamp connector.
3.Turn ignition switch ON.
4.Check voltage between the foot lamp harness connector and ground.
Is the measurement value normal?
YES- GO TO 4.
NO- Check the hospitality lighting power supply circuit 1. Hospitality Lighting Power Supply Circuit 1.
4. CHECK FOOT 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 foot lamp harness connector.
Does continuity exist?
YES- Replace the foot lamp.
NO- Repair the harnesses or connectors.
5. CHECK FOOT LAMP CONTROL CIRCUIT FOR SHORT
1.Turn ignition switch OFF.
2.Disconnect the total illumination control unit and foot lamp connectors.
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.