Check Back Door Opener Switch Circuit (With Intelligent Key)

BACK DOOR LOCK

Check Back Door Opener Switch Circuit (With Intelligent Key)


1. CHECK BACK DOOR OPENER SWITCH SIGNAL

With CONSULT
Check back door opener switch ("TRNK OPNR SW") in "DATA MONITOR" mode with CONSULT.





Without CONSULT
Check voltage between Intelligent Key unit connector M52 terminal
24 and ground.











OK or NG
OK- Back door opener switch circuits are OK.
NG- GO TO 2

2. CHECK BACK DOOR OPENER SWITCH CIRCUIT

1.Turn ignition switch OFF.
2.Disconnect Intelligent Key unit and back door opener switch connector.
3.Check continuity between Intelligent Key unit connector (A) M52
terminal 24 and back door opener switch connector (B) terminal
1.











4.Check continuity between Intelligent Key unit connector (A) M52 terminal 24 and ground.





OK or NG
OK- GO TO 3
NG- Repair or replace harness.

3. CHECK BACK DOOR OPENER SWITCH

Check continuity between back door opener switch terminals 1 and
2.





OK or NG
OK- GO TO 4





NG- Replace back door opener switch.

4. CHECK BACK DOOR OPENER SWITCH GROUND CIRCUIT

Check continuity between back door opener switch connector terminal 2 and ground.





OK or NG
OK- GO TO 5
NG- Repair or replace harness.






5. CHECK INTELLIGENT KEY UNIT OUTPUT SIGNAL

1.Connect Intelligent Key unit connector.
2.Check voltage between BCM connector M18 terminal 30 and ground.










OK or NG
OK- Replace BCM. Service and Repair.
NG- GO TO 6

6. CHECK BACK DOOR INPUT CIRCUIT

1.Disconnect Intelligent Key unit connector M52 and BCM connector M18.
2.Check continuity between Intelligent Key unit connector (A) M52
terminal 23 and BCM connector (B) M18 terminal 30.










3.Check continuity between Intelligent Key unit connector (A) M52
terminal 23 and ground.





OK or NG
OK- Replace Intelligent Key unit. Service and Repair.
NG- Repair or replace harness.