Inspection Procedure

1. Check if the engine control system DTC is output (See DTC CHECK / CLEAR for 2AZ-FE, or DTC CHECK / CLEAR for 2ZR-FE).

   Result 

   RESULT CHART
   
   

   Result	Proceed to
   DTC is not output (for 2AZ-FE)	A
   DTC is not output (for 2ZR-FE)	B
   DTC is output (for 2AZ-FE)	C
   DTC is output (for 2ZR-FE)	D

B: REPLACE ECM (for 2ZR-FE)  (See REMOVAL )

C: INSPECT ENGINE CONTROL SYSTEM (for 2AZ-FE)  (See DIAGNOSTIC TROUBLE CODE CHART )

D: INSPECT ENGINE CONTROL SYSTEM (for 2ZR-FE)  (See DIAGNOSTIC TROUBLE CODE CHART )

A: REPLACE ECM (for 2AZ-FE)  (See REMOVAL )