Key Switch Check

REMOTE KEYLESS ENTRY SYSTEM


Key Switch Check

1.CHECK KEY SWITCH INPUT SIGNAL
With CONSULT-III
Check key switch "KEY ON SW" in DATA MONITOR mode with CONSULT�III. CONSULT-III Function (BCM).
- When key is inserted into ignition key cylinder:

KEY ON SW : ON

- When key is removed from ignition key cylinder:

KEY ON SW : OFF

Without CONSULT-III
Check voltage between BCM connector and ground.










OK or NG
OK - Key switch circuit is OK.
NG - GO TO 2.
2.CHECK KEY SWITCH
1. Turn ignition switch OFF.
2. Disconnect key switch connector.
3. Check key switch.










OK or NG
OK - Check the following.
- 10A fuse [No. 19, located in fuse block (J/B)]
- Harness for open or short between key switch and fuse
- Harness for open or short between BCM and key switch
NG - Replace key switch.