Diagnostic Test
- CHECK FOR AN ACTIVE DTC
- Turn the ignition on.
- With the scan tool, read Powertrain Control Module (PCM) DTCs and Freeze Frame Data and record on the repair order.
- Using the recorded Freeze Frame Data and the When Monitored and Set Conditions above, operate the vehicle in the conditions that set the DTC.
- With the scan tool, read DTCs and record on the repair order.
Is the DTC active or pending?
Yes
- Go To 2
No
- Perform the INTERMITTENT CONDITION diagnostic procedure. Refer to INTERMITTENT CONDITION .
- CHECK FOR OTHER DTCS
- Refer to the recorded DTCs.
Are there any CAC Coolant Pump Relay Control circuit, LIN Bus, ASD/Main Relay or system voltage DTCs active or pending?
Yes
- Perform the applicable diagnostic procedure(s). Refer to 2.0L - DIAGNOSTIC CODE INDEXDTC INDEX .
No
- Go To 3
- Refer to the recorded DTCs.
- CHECK THE LOW TEMP COOLING SYSTEM FOR PROPER LEVEL AND LEAKS CAUSING AIR IN THE SYSTEM
- Turn the ignition off.
- Check the Low Temperature Cooling System for:
- Coolant leaks
- Low Coolant level
- Improperly bled or air in the system
- Improper coolant concentration
Were there any problems found?
Yes
- Repair the Low Temperature Cooling System as necessary in accordance with the Service Information.
- Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .
No
- Replace the CAC Coolant Pump in accordance with the Service Information.
- Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .