California
CODE No. 25 & 26 (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 25 & 26 (California):
1. Disconnect the negative (-) Battery terminal for 60 seconds or more, with ignition switch OFF.
2. Start the engine and warm the engine up, with all accessory switches OFF.
3. After the engine is warmed up, maintain at 2,000 rpm for 3 minutes.
4. Let it idle for 2 minutes. ("D" range for A/T)
5. Turn the ignition switch OFF for 3 seconds or more.
6. Start the engine and perform steps (3) and (4) again.
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 cannot detect the malfunction.