QT: Step 1: Powertrain Control Module (PCM)/Transaxle Control Module (TCM) Quick Test

QT: Step 1: Powertrain Control Module (PCM)/Transaxle Control Module (TCM) Quick Test

QT1 CARRY OUT DATA LINK DIAGNOSTICS TEST

WARNING: THIS VEHICLE IS EQUIPPED WITH HIGH VOLTAGE CABLES, COMPONENTS, AND WIRING. THE HIGH VOLTAGE WARNING LABELS CONTAINING THE HIGH VOLTAGE SYMBOL ARE LOCATED ON EACH HIGH VOLTAGE COMPONENT. HIGH VOLTAGE CABLES, AND WIRING ARE ORANGE IN COLOR. CERTIFIED RUBBER INSULATING GLOVES AND A FACE SHIELD MUST BE WORN WHEN WORKING WITH THE HIGH VOLTAGE CABLES, COMPONENTS, OR WIRING. THE IGNITION KEY MUST BE CYCLED TO THE OFF POSITION FOR A MINIMUM OF 5 MINUTES, AND THE HIGH VOLTAGE TRACTION BATTERY SERVICE DISCONNECT PLUG PLACED IN THE SERVICING/SHIPPING POSITION BEFORE DISCONNECTING THE HIGH VOLTAGE CABLES. FAILURE TO FOLLOW THESE INSTRUCTIONS MAY RESULT IN PERSONAL INJURY OR DEATH.

DO NOT DISCONNECT, DISABLE, OR TOUCH THE HIGH VOLTAGE CABLES, COMPONENTS, OR WIRING DURING THE MODULE REPROGRAMMING PROCEDURE BECAUSE HIGH VOLTAGE IS PRESENT. THE HIGH VOLTAGE WARNING LABELS CONTAINING THE HIGH VOLTAGE SYMBOL ARE LOCATED ON EACH HIGH VOLTAGE COMPONENT. HIGH VOLTAGE CABLES, AND WIRING ARE ORANGE IN COLOR. FAILURE TO FOLLOW THESE INSTRUCTIONS MAY RESULT IN PERSONAL INJURY OR DEATH.

- Carry out all safety steps required to run the vehicle tests.
- Complete preliminary checks looking for obvious concerns that may relate to the symptom. Check items such as those listed:
- Related electrical connectors or fuses
- Vacuum lines (leaks, routing)
- Air intake system (leaks, restrictions)
- Fuel quality (octane, contamination, winter/summer blend)
- Engine cooling system (engine operating at proper temperature)
- Motor electronics cooling system
- Access any related OASIS or TSB information.
- Carry out the data link diagnostics test.

Note: If the diagnostic tool being used does not support the data link diagnostics test, an alternative method is to attempt communication with each module on the CAN link.






QT2 CARRY OUT THE PCM AND TCM QUICK TEST

Note: If unable to access the diagnostic trouble codes (DTCs), GO to Pinpoint Test QA in Section 5. For additional information on retrieving malfunction indicator lamp (MIL) and non-MIL DTCs, refer to Section 2, Quick Test.

Note: Do not carry out consecutive quick tests without turning the key to OFF position for a minimum of 15 seconds.

- Complete the PCM quick test to access any DTCs. Note any key on engine off (KOEO), key on engine running (KOER) (if engine runs) and continuous memory (MIL and non-MIL) DTCs.
- Complete the TCM quick test to access any DTCs. Note any KOEO and continuous memory DTCs.