Diagnosis Procedure

BACK-UP LAMP CIRCUIT


Description

Retractable hard top control unit receives shift position R signal from back up lamp for the preconditions.




BACK-UP LAMP CIRCUIT


Diagnosis Procedure

1.CHECK BACK-UP LAMP RELAY OR BACK-UP LAMP SWITCH POWER SUPPLY
1. Turn ignition switch OFF.
2. Disconnect back-up lamp relay (A/T models) or back-up lamp switch (M/T models) harness connector.
3. Check the voltage between back-up lamp relay (A/T models) or back-up lamp switch (M/T models) harness connector and ground.








Is the inspection result normal?
YES - GO TO 2.
NO-1 - Check 10 A fuse [No. 4 located in the fuse block (J/B)].
NO-2 - Check harness for open or short between back-up lamp relay (A/T models) or back-up lamp switch (M/T models) and fuse.
2.CHECK BACK-UP LAMP RELAY OR BACK-UP LAMP SWITCH GROUND CIRCUIT
1. Disconnect retractable hard top control unit connector.
2. Check the continuity between retractable hard top control unit harness connector and back-up lamp relay (A/T models) or back-up lamp switch (M/T models) harness connector.








3. Check harness for short to ground or short to power.
Is the inspection result normal?
YES - GO TO 3.
NO - Repair or replace harness.
3.CHECK BACK-UP LAMP RELAY OR BACK-UP LAMP SWITCH
Check back-up lamp relay (A/T models) (refer to Diagnosis Flow) or back-up lamp switch (M/T models) (refer to Component Tests and General Diagnostics)
Is the inspection result normal?
YES - GO TO 4.
NO - Repair or replace malfunctioning part.
4.REPLACE RETRACTABLE HARD TOP CONTROL UNIT
1. Replace retractable hard top control unit. Refer to Retractable Hard Top System.
2. Refer to Special Repair Requirement.
Is the inspection result normal?
YES - INSPECTION END
NO - GO TO 5.
5.CHECK INTERMITTENT INCIDENT
Refer to Intermittent Incident.
- INSPECTION END