HINT: When start this test, engine coolant temp. is 40C (104F) or less.
(1) Disconnect the fuse EFl (15 A) for 10 sec. or more, with IG switch OFF.
(2) Initiate test mode (Connect terminal TE2 and E 1 of DLC 1) with IG switch OFF.
(3) Start the engine and warm the engine up with all ACC switch OFF.
(4) With the transmission in 4th gear (”D” position and 0I
ON for A/T), drive 55 – 65 mph
for 4 min.
HINT: 1f a malfunction is detected the malfunction indication 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.
Malfunction: Short in VSV Circuit for EGR, Loose EGR Hose– Valve Stuck
EGR System Malfunction
DTC
–ENGINE MFI SYSTEM
EG2–181
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