Drive Cycle Procedure
- Ignition ON. Do not crank until the WAIT TO START light cycles, or at least 10 seconds, whichever occurs first.
- Start the engine. Idle in PARK or NEUTRAL for 40 seconds.
- Before continuing, engine oil temperature (EOT) must exceed 60°C (140°F).
- The following outlines the appropriate conditions for running certain OBD monitors that require the engine to be under load:
- Accelerate steadily to third gear (M/T use fourth gear) and hold at 1,500 RPM for 3 seconds.
- Repeat Step 4.a. three times while maintaining the conditions in Step 4.a.
- Before proceeding, turn all accessories off and disengage tow/haul/overdrive cancel.
Accelerate steadily from 56 km/h (35 mph) to 105 km/h (65 mph) over approximately 15 seconds (M/T 11 seconds minimum).
- Idle the vehicle for 20 seconds in PARK or NEUTRAL.
- Ignition OFF.
- Start the engine. Idle in PARK or NEUTRAL for 40 seconds.
- Repeat the Quick Test.
NOTE:
If DTC P1000 is present after running the drive cycle:
- Repeat Step 4.a., being certain to maintain a minimum mass fuel desired (MFDES) of 35 mg/stroke above 2,000 RPM for 11 seconds. Also, maintain a minimum MFDES of 30 mg/stroke above 2,800 RPM for at least 6 seconds.
- Repeat Step 8. MFDES must remain below 12 mg/stroke for 11 consecutive seconds.