Code 27

CODE No. 27 (California)

Purpose of the driving pattern.
(a) To simulate diagnostic code detecting condition after diagnostic code is recorded.
(b) To check that the malfunction is corrected when the repair is completed, confirming that diagnostic code is no longer detected.

Code No. 27 (California):

1. Disconnect the EFI fuse (15 A) for 10 seconds or more, with ignition switch OFF.
2. Initiate test mode: Connect terminals TE2 and E1 of check connector with ignition switch OFF.
3. Start the engine and warm the engine up, with all accessory switches OFF.
4. After the engine is warmed up, let it drive at 50 - 55 mph for 10 minutes or more.
5. After driving, stop at a safe place and perform idling for 2 minutes or less.
6. After performing the idling in (5), perform acceleration to 60 mph with the throttle fully open.

HINT: If any malfunction is detected, the malfunction indicator lamp will light up during step (6).

NOTICE: If this procedure is not strictly followed, you cannot detect the malfunction.