Operation CHARM: Car repair manuals for everyone.
Hosted by mcallihan.com

Drive Cycle C




Drive Cycles

The following are the TestBook drive cycles

Drive cycle C1 (vehicles without advanced evaps):

1. Switch ignition ON for 30 seconds.
2. Ensure engine coolant temperature is less than 60°C (140°F).
3. Start the engine and allow to idle for for 2 minutes.
4. Perform 2 light accelerations (0 to 35 mph (0 to 60 km/h) with light pedal pressure).
5. Perform 2 medium accelerations (0 to 45 mph (0 to 70 km/h) with moderate pedal pressure).
6. Perform 2 hard accelerations (0 to 55 mph (0 to 90 km/h) with heavy pedal pressure).
7. Cruise at 60 mph (100 km/h) for 5 minutes.
8. Cruise at 50 mph (80 km/h) for 5 minutes.
9. Allow engine to idle for 2 minutes.
10. Connect TestBook and check for fault codes.

Drive cycle C2 (vehicles with advanced evaps):
1. Switch ignition ON for 30 seconds.
2. Ensure engine coolant temperature is less than 60°C (140°F).
3. Start the engine and allow to idle for for 2 minutes.
4. Perform 2 light accelerations (0 to 35 mph (0 to 60 km/h) with light pedal pressure).
5. Perform 2 medium accelerations (0 to 45 mph (0 to 70 km/h) with moderate pedal pressure).
6. Perform 2 hard accelerations (0 to 55 mph (0 to 90 km/h) with heavy pedal pressure).
7. Cruise at 60 mph (100 km/h) for 5 minutes.
8. Cruise at 50 mph (80 km/h) for 5 minutes.
9. Cruise at 35 mph (60 km/h) for 5 minutes.
10. Allow engine to idle for 2 minutes.
11. Connect TestBook and check for fault codes.

NOTE:
The following areas have an associated readiness test which must be flagged as complete, before a problem resolution can be verified:
- catalytic converter fault;
- Evaporative loss system fault;
- H02 sensor fault;
- H02 sensor heater faulL

When carrying out a drive cycle C to determhe a fault in any of the above areas, select the readiness test icon to verily that the test has been flagged as complete.