Key Switch (Insert) Check

With CONSULT-III 

Check key switch "KEY ON SW" in DATA MONITOR mode with CONSULT-III. Refer to "DATA MONITOR ".

• 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-1: GO TO 2 (with Intelligent Key).

NG-2: GO TO  3 (without Intelligent Key).

Fig 1: Checking Voltage Between BCM Connector And Ground

1. Turn ignition switch OFF.
2. Disconnect key switch and ignition knob switch connector.
3. Check continuity between key switch and ignition knob switch terminals.
   CONNECTOR TERMINAL CONTINUITY SPECIFICATION
   
   

   Terminal		Condition		Continuity
   Key switch and ignition knob Condition switch
   1	2	Key	Inserted	Yes
   			Removed	No

   Fig 2: Checking Ignition Knob Switch Key Switch And Ignition Knob Key Switch

   

OK or NG 

OK: Check the following.

• 10A fuse (No. 9, 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.

1. Turn ignition switch OFF.
2. Disconnect key switch connector.
3. Check key switch.
   CONNECTOR TERMINAL CONTINUITY SPECIFICATION
   
   

   Terminals	Condition	Continuity
   1 - 2	Key is inserted.	Yes
   	Key is removed.	No

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.

Fig 3: Checking Key Switch (Without Intelligent Key)