Disconnect the EFI fuse (15 A) for 10 sec. or more, with IG switch OFF.
Start the engine and warm the engine up with all ACC switch OFF.
After the engine is warmed up, let it idle for 2 min.
With the transmission in 5th gear (”D” range for AlT), drive at 50 – 60 mph for 3 min.
After driving, stop at a safe place and turn the IG switch OFF for 3 – 10 sec.
Start the engine and perform steps (3), and (4) again.
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
HINT: If a malfunction is detected, the Malfunction Indicator Lamp will light up during step (6).
NOTICE: If this procedure is not strictly followed, you can not detect the malfunctions.
–ENGINE MFI SYSTEM
EG1–120
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