Check Key Slot

Check voltage between Intelligent Key unit harness connector and ground.

OK or NG 

OK: Key slot is OK.

NG: GO TO 2.

Fig 1: Checking Voltage Between Intelligent Key Unit Harness Connector Terminal 19 And Ground

1. Turn ignition switch OFF.
2. Disconnect key slot connector.
3. Check voltage between slot connector and ground.
   TERMINAL VOLTAGE CHART
   
   

   Terminals			Voltage (V) (Approx.)
   (+)		(-)
   Key slot connector	Terminal
   M14	1	Ground	Battery voltage

OK or NG 

OK: GO TO 3.

NG: Repair or replace key slot power supply circuit.

Fig 2: Checking Voltage Between Slot Connector Terminal 1 And Ground

Check key slot.

OK or NG 

OK: GO TO 4.

NG: Replace key slot.

Fig 3: Checking Key Slot Connector Terminals

Check continuity between key slot connector and ground.

OK or NG 

OK: GO TO 5.

NG: Repair or replace key slot ground circuit.

Fig 4: Checking Continuity Between Key Slot Connector Terminal 8 And Ground

1. Disconnect Intelligent Key unit connector.
2. Check continuity between Intelligent Key unit connector 7 and key slot connector.
   CONTINUITY CHART
   
   

   A		B		Continuity
   Intelligent Key unit connector	Terminal	Key slot connector	Terminal
   M32	19	M14	2	Yes

3. Check continuity between Intelligent Key unit connector and ground.
   CONTINUITY CHART
   
   

   A		Ground	Continuity
   Intelligent Key unit connector	Terminal
   M32	19		No

   Fig 5: Checking Continuity Between Intelligent Key Unit Connector Terminals 19 And Ground

   

OK or NG 

OK: Check the condition of harness and harness connector.

NG: Repair or replace harness between Intelligent Key unit and key slot.