Back-Up Lamp Circuit

BACK-UP LAMP CIRCUIT





Component Function Check
1.CHECK FUNCTION
With CONSULT-III
1. Turn ignition switch ON.
2. Check "SHIFT R SIG" in "DATA MONITOR" mode of "CONVERTIBLE ROOF" using CONSULT-III.





Is the inspection result normal?
YES - INSPECTION END
NO - Go to SEE Diagnosis Procedure.




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 soft top control unit connector.
2. Check the continuity between soft top control unit harness connector and back-up lamp relay (A/T models) or back-up lamp switch (M/T models) harness connector.









3. Also check harness for short to ground and short to power.
Is the inspection result normal?
YES - GO TO 3.
NO - Repair open circuit, short to ground or short to power in harness or connectors.
3.CHECK BACK-UP LAMP RELAY OR BACK-UP LAMP SWITCH
Check back-up lamp relay (A/T models) ( Diagnosis Flow) or back-up lamp switch (M/T models) ( Testing and Inspection)
Is the inspection result normal?
YES - GO TO 4.
NO - Repair or replace malfunctioning part.
4.REPLACE SOFT TOP CONTROL UNIT
Replace soft top control unit. Removal And Installation.
Is the inspection result normal?
YES - INSPECTION END
NO - GO TO 5.
5.CHECK INTERMITTENT INCIDENT
Intermittent Incident Regular Grade.
- INSPECTION END