Soft Top Control Unit Roadster

SOFT TOP CONTROL UNIT





Description
Soft top control unit detects roof state and controls rear defogger.




Component Function Check
1.CHECK REAR WINDOW DEFOGGER
With CONSULT-III
1. Turn ignition switch ON and soft top fully close.
2. Select "REAR DEFOGGER" of "BCM" using CONSULT-III.
3. Select "REAR DEFOGGER" in "ACTIVE TEST" mode.
4. Touch "ON".
5. Check that the rear window heating wire is getting warmer.
Is the inspection result normal?
YES - Soft top control unit is OK.
NO - SEE Diagnosis Procedure




Diagnosis Procedure
1.CHECK FUSE
1. Turn ignition switch OFF.
2. Check the following.
- 20A fuse [No.14, located in fuse block (J/B)]
- 20A fuse [No.15, located in fuse block (J/B)]
Is the inspection result normal
YES - GO TO 2.
NO - Replace the blown fuse after repairing the affected circuit if a fuse is blown.
2.CHECK SOFT TOP CONTROL UNIT CIRCUIT
1. Disconnect soft top control unit connector and fuse block (J/B) connector.
2. Check continuity between soft top control unit and fuse block (J/B) harness connector.





3. Check continuity between soft top control unit and ground.





Is the inspection result normal?
YES - GO TO 3.
NO - Repair or replace harness and ground.
3.CHECK FUSE BLOCK (J/B)
1. Turn ignition switch ON.
2. Check voltage between fuse block (J/B) (fuse block side) and ground.





Is the inspection result normal?
YES - GO TO 4.
NO - Repair or replace fuse block (J/B).
4.CHECK INTERMITTENT INCIDENT
Check intermittent incident. Intermittent Incident Regular Grade.
- INSPECTION END.