Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

Or, hide this message: temporarily or permanently

Key Switch (Insert) Check




REMOTE KEYLESS ENTRY SYSTEM

Key Switch (Insert) Check


1. CHECK KEY SWITCH INPUT SIGNAL

With CONSULT
Check key switch "KEY ON SW" in DATA MONITOR mode with CONSULT. Scan Tool Testing and Procedures .
- 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
Check voltage between BCM connector and ground.





OK or NG
OK- Key switch circuit is OK.
NG-1- GO TO 2 (with Intelligent Key).
NG-2- GO TO 3 (without Intelligent Key).






2. CHECK KEY SWITCH (WITH INTELLIGENT KEY)

1.Turn ignition switch OFF.
2.Disconnect key switch and ignition knob switch connector.
3.Check key switch.





OK or NG
OK-Check the following.
- 10A fuse (No. 31, located in fuse and fusible link block)





- Harness for open or short between key switch and ignition knob switch and fuse
- Harness for open or short between BCM and key switch and ignition knob switch
NG- Replace key switch and ignition knob switch.

3. CHECK KEY SWITCH (WITHOUT INTELLIGENT KEY)

1.Turn ignition switch OFF.
2.Disconnect key switch and key lock solenoid connector.
3.Check key switch.





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





- Harness for open or short between BCM and key switch and key lock solenoid
NG- Replace key switch and key lock solenoid.