Diagnostic Procedure

With CONSULT-II 

Check ("IGN ACC SW") in DATA MONITOR mode with CONSULT-II.

When ignition switch is turned to ACC 

ACC ON SW : ON 

Fig 1: CONSULT-II Display - Data Monitor

Without CONSULT-II 

Check voltage between Intelligent Key unit connector and ground.

OK or NG 

OK: ACC power circuit is OK. Check the self-diagnosis results using CONSULT-II again.

NG: GO TO 2.

Fig 2: Checking Voltage Between Intelligent Key Unit Connector Terminal 30 And Ground

1. Turn ignition switch OFF.
2. Disconnect Intelligent Key unit and power distribution unit connector.
3. Check continuity between Intelligent Key unit connector and power distribution unit connector.
   TERMINAL CONTINUITY CHART
   
   

   A		B		Continuity
   Intelligent Key unit connector	Terminal	Power distribution unit connector	Terminal
   M33	42	M30	1	Yes

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

   A		Ground	Continuity
   Intelligent Key unit connector	Terminal
   M33	42		No

   Fig 3: Checking Continuity Between Intelligent Key Unit Connector And Power Distribution Unit Connector

   

OK or NG 

OK: GO TO 3.

NG: Repair or replace harness.

1. Connect Intelligent Key unit and power distribution unit connector.
2. Check voltage between Intelligent Key unit connector and ground.
   TERMINAL VOLTAGE CHART
   
   

   Terminals			Ignition switch condition	Voltage (V) (Approx.)
   (+)		(-)
   Intelligent Key unit connector	Terminal
   M32	30	Ground	ACC	Battery voltage
   			OFF	0

OK or NG 

OK: Check the condition of harness and connector. If it is OK, check the self-diagnosis results using CONSULT-II again.

NG: Check the following.

Fig 4: Checking Voltage Between Intelligent Key Unit Connector Terminal 30 And Ground

• 10A fuse [No.6, located in the fuse block (J/B)]
• Harness for open or short between fuse and Intelligent Key unit.