Inspection Procedure
WARNING: This page is about a different car, the 2004 Toyota Corolla. However, it is still accessible from the selected car via links, so may be relevant.
HINT:
Read freeze frame data using the hand-held tester or the OBD II scan tool. Freeze frame data records the engine conditions when a malfunction is detected. When troubleshooting, it is useful for determining whether the vehicle was running or stopped, the engine was warmed up or not, the air-fuel ratio was lean or rich, etc. at the time of the malfunction.
- CHECK VALVE TIMING (CHECK FOR LOOSE AND JUMPED TOOTH OF TIMING CHAIN) (See REPLACEMENT
)
- NG : ADJUST VALVE TIMING (See REPLACEMENT ) (REPAIR OR REPLACE TIMING CHAIN)
- OK : GO to next step
REPLACE ECM (See REPLACEMENT )