Chrysler OBD2 drive cycle

Global monitor drive cycle

• CEL must be off
  
• Cold start (Note: cold start temperature is undefined)
  

1. Warm engine up for five minutes (must reach closed loop)
   
2. Drive (with steady throttle) at a speed between 40 and 60 mph for 8 minutes.
   
3. Stop and idle for 3 minutes.
   
4. Drive (with steady throttle) at a speed above 20 mph for 2 minutes.
   
5. Turn key off, leave off for ten minutes (to run O2 sensor heater monitor).
   

Catalytic converter monitor

• MIL must be off.
  
• No DTCs present.
  
• Fuel level is between 15% and 85% full.
  
• ECT above 70o F.
  
• Engine must have run at least 90 seconds
  
• Engine between 1,350 & 1,900 rpm.
  

1. Idle vehicle for five minutes (to reach closed loop operation).
   
2. Drive with a steady vehicle speed between 30 and 45 mph for 2 minutes.
   

EGR monitor

• CEL must be off.
  

1. Idle vehicle for five minutes (to reach closed loop operation).
   
2. Drive with a steady vehicle speed between 40 & 60 mph for 8 minutes.
   

EVAP system monitor

• CEL must be off.
  
• No Evaporative DTCs present.
  
• Fuel level is between 30 & 85 % full.
  

1. Allow vehicle to cool completely, start and idle vehicle for 4 minutes.
   
2. Drive in-town (stop and go) for 5 minutes, using smooth accelerations and
   decelerations.
   
3. Stop and idle vehicle for 4 minutes.
   

O2 Sensor monitor

• CEL must be off.
  

1. Idle vehicle for five minutes (to reach closed loop operation).
   
2. Drive with a steady vehicle speed above 25 mph for 2 minutes.
   
3. Stop and idle for 30 seconds.
   
4. Smoothly accelerate to a speed between 30 and 40 mph.
   
5. Repeat steps 3 & 4 five (5) times.
   

O2 Sensor heater monitor

• CEL must be off.
  

1. Idle vehicle for five minutes (to reach closed loop operation).
   
2. Shut engine off and leave vehicle off for ten minutes.