WARNING
Compressed air mixed with the R-134a forms a
combustible vapor.
The vapor can burn or explode causing serious
injury.
Never use compressed air to pressure test
R-134a service equipment
The air conditioning system removes heat from the passenger compartment by
transferring heat from the ambient air
to the evaporator. The evaporator cools the air with the refrigerant that is
circula
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 (
Transfer Assembly Inspection
1. Shift the transmission into the N position.
2. Raise the vehicle on a lift, and make sure it is
supported securely.
3. Make a reference mark (A) across the propeller
shaft (B) and the transfer companion flange (C).
4. Separate the propeller shaft from the transfer
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. Do the ETCS TEST in the INSPECTION MENU with
the HDS.
Is the RELAY circuit OK? YES-Intermittent failure, the system is OK a