Disconnect the fuse EFI (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 drive at 50 – 55 mph for 10 min. or more.
After driving, stop at a safe place and perform idling for 2 min. or less.
After performing the idling in (4) , perform acceleration to 60 mph with the throttle fully
open and drive at 60 mph for 1 min.
After driving, stop at a safe place and turn the IG switch OFF for 3 sec. or more..
Start the engine and perform steps (3) , (4), and (5) 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.
Sub–Oxygen Sensor Circuit
Malfunction: Open or Short in Sub–Oxygen Sensor
DTC
HINT: If a malfunction is detected, the Malfunction Indicator Lamp will light up during step (7).
NOTICE: If this procedure is not strictly followed, you can not detect the malfunctions.
–ENGINE MFI SYSTEM
EG1–119
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