Inspection Procedure

1. Perform troubleshooting in accordance with the table below.

   Result 

   RESULT REFERENCE TABLE
   
   

   MIL Condition	Proceed to
   MIL remains ON	A
   MIL does not illuminate	B

B: Go to step   4 

A: Go to Next Step. 

1. Connect the Techstream to the DLC3.
2. Turn the ignition switch on.
3. Turn the tester on.
4. Check whether any DTCs have been stored (See DTC CHECK/CLEAR  ). Note them down if necessary.
5. Clear the DTCs (See DTC CHECK/CLEAR  ).
6. Check if the MIL turns off.

   OK: MIL should turn off. 

OK: REPAIR CIRCUIT INDICATED BY OUTPUT DTC 

NG: Go to Next Step. 

1. Disconnect the E7 ECM connector.
   Fig 1: Identifying E7 ECM Connector

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Turn the ignition switch on.
3. Check that the MIL is not illuminated.

   OK: MIL is not illuminated. 

4. Reconnect the ECM connector.

OK: REPLACE ECM 

NG: CHECK AND REPLACE HARNESS AND CONNECTOR (COMBINATION METER - ECM) 

1. Check if the MIL is illuminated when the ignition switch is turned on.

   OK: MIL should be illuminated. 

OK: SYSTEM OK 

NG: Go to Next Step. 

1. Turn the ignition switch on.
2. Start the engine.

   Result 

   RESULT REFERENCE TABLE
   
   

   Result	Proceed to
   Engine starts	A
   Engine does not start	B

B:  GO TO VC OUTPUT CIRCUIT 

A: Go to Next Step. 

1. See the combination meter troubleshooting procedure (See HOW TO PROCEED WITH TROUBLESHOOTING ).

NG: REPAIR OR REPLACE BULB OR COMBINATION METER ASSEMBLY 

OK: CHECK AND REPLACE HARNESS AND CONNECTOR