NOTE:
Before you troubleshoot, record all freeze data and
any on-board snapshot, and review the general
troubleshooting information.
If DTC P1128, P1129, P2228, and/or P2229 are stored
at the sa
NOTE: Before you troubleshoot, record all freeze data
and any on-board snapshot, and review the general
troubleshooting information.
1. Check for poor connections or loose terminals at
ECT sensor 1/2
NOTE: Before you troubleshoot, record all freeze data
and any on-board snapshot, and review the general
troubleshooting information.
1. Turn the ignition switch ON (II).
2. Check ECT SENSOR 1 in the
If the display will not open, use this procedure to
manually open the display and remove the CD, DVD,
and/or the PC card.
1. Remove the navigation unit from the vehicle.
2. On the bench, carefully pull the display (A) straight
out (about 1/2 inch).
3. Fold down the display as shown in the diagram
DTC indicator 1: An Open in the Air Mix
Control Motor Circuit
1. Start the engine.
2. Turn on the A/C, then set the temperature control
dial to Max Hot.
3. Turn the ignition switch OFF and then ON (II).
4. Do the self-diagnostic with the HVAC control unit.
5. Check for DTCs.
Is DTC 1 indicated?