Troubleshooting

Detecting Condition and Trouble Area
If the ECM detects DTC P0100 it operates the fail safe function, keeping the ignition timing and injection volume constant and making it possible to drive the vehicle.

HINT: After confirming DTC P0100 use the OBD II scan tool or LEXUS hand-held tester to confirm mass air flow ratio from CURRENT DATA.





Current Data





Wiring Diagram




















Inspection Procedure