ES–802AZ-FE ENGINE CONTROL SYSTEM – SFI SYSTEM
ES
WIRING DIAGRAM
Refer to DTC P0335 (see page ES-172).
INSPECTION PROCEDURE
HINT:
Read freeze frame data using the intelligent tester. Freeze frame data records the engine condition when
malfunctions are detected. When troubleshooting, freeze frame data can help determine if the vehicle was
moving or stationary, if the engine was warmed up or not, if the air-fuel ratio was lean or rich, and other
data from the time the malfunction occurred.
NG
OK
NEXT
NEXT
NOTICE:
After replacing the ECM or adjusting intake valve timing,
confirm that the DTC output does not recur.
(a) Connect the intelligent tester to the DLC3.
(b) Turn the ignition switch ON.
(c) Turn the tester ON.
(d) Clear DTCs (see page ES-35).
(e) Switch the ECM from normal mode to check mode using
the tester (see page ES-38).
(f) Start the engine and warm it up.
(g) Allow the engine to idle for 1 minute or more, and then
drive the vehicle for 1 minute or more.
(h) Confirm that no DTC is set, using the tester.
OK:
No DTC output
NEXT
1CHECK VALVE TIMING (CHECK FOR LOOSE AND JUMPED TOOTH OF TIMING CHAIN)
(See page ES-77)
Go to step 3
2REPLACE ECM
Go to step 4
3ADJUST VALVE TIMING
4CHECK WHETHER DTC OUTPUT RECURS
END
