HINT: When start this test, engine coolant temp. is 40C (104F) or less.
Before this test, check the feedback voltage for heated oxygen sensor.
(1) Disconnect the fuse EFI (15 A) for 10 sec. or more, with IG switch OFF.
(2) Initiate test mode (Connect terminal TE2 and Ell of DLC 1) with IG switch OFF.
(3) Start the engine and warm the engine up, with all ACC switch OFF.
(4) After the engine is warmed up, let it idle for 5 min. ’
HINT: If a malfunction is detected the malfunction indicator lamp will light up during step(4).
NOTICE: If the conditions in this test are not strictly followed, detection of the malfunction
will not be possible.
DIAGNOSTIC TROUBLE CODE DETECTION DRIVING PATTERN (Cont’d)
Purpose of the driving pattern.
(a) To simulate diagnostic trouble code detecting condition after diagnostic trouble code is recorded.
(b) To check that the malfunction is corrected when the repair is completed confirming that diagnostic
trouble code is no longer detected.
Air–Fuel Ratio Lean Malfunction(CALIFORNIA,C&C)
Air–Fuel Ratio Rich Malfunction(CALIFORNIA,C&C)
Malfunction: Open or Short in Injector Leak, Blockage
–ENGINE MFI SYSTEM
EG2–180
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