Back-Up Lamp Circuit

BACK-UP LAMP CIRCUIT





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




Component Function Check
1.CHECK FUNCTION
Check "SHIFT R SIG" in "Data Monitor" mode of "RETRACTABLE HARD TOP" using CONSULT-III.





Is the inspection result normal?
YES - INSPECTION END
NO - Go to Parcel Shelf Motor (Draw).




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) ( Diagnosis Flow) or back-up lamp switch (M/T models) ( Component Inspection)
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. Component Parts.
2. Work Procedure.
Is the inspection result normal?
YES - INSPECTION END
NO - GO TO 5.
5.CHECK INTERMITTENT INCIDENT
Intermittent Incident.
- INSPECTION END