TEST
ACTION
APPLICABILITY
4
Turn the ignition off.
Disconnect the Automatic Temperature Control harness connector.
Disconnect the Body Control Module C1 harness connector.
Measure the resistance of the Aspirator Motor Driver circuit between the BCM C1
connector and the ATC harness connector.
Is the resistance below 5.0 ohms?
All
Yes
→ Go To 5
No
→ Repair the Aspirator Motor Driver circuit for an open.
Perform BODY VERIFICATION TEST - VER 1.
5
Turn the ignition off.
Reconnect the Automatic Temperature Control harness connector.
Disconnect the Body Control Module C1 harness connector.
Connect a jumper wire between the Aspirator Motor Driver circuit and ground.
Turn the ignition on.
Check the operation of the aspirator motor fan.
Is the aspirator motor running?
All
Yes
→ Replace and program the Body Control Module in accordance
with the Service Information.
Perform BODY VERIFICATION TEST - VER 1.
No
→ Replace the Automatic Temperature Control in accordance with
the Service Information.
Perform BODY VERIFICATION TEST - VER 1.
6
NOTE: Ensure that the courtesy lamps operate properly from the drivers
door before proceeding. If not, refer to the Interior Lighting category for
the related symptom(s).
NOTE: This path is for the aspirator continuing to run with the key off and
the doors closed.
Turn the ignition off.
Disconnect the Body Control Module C1 harness connector.
Turn the ignition on.
Did the aspirator motor stop running?
All
Yes
→ Replace and program the Body Control Module in accordance
with the Service Information.
Perform BODY VERIFICATION TEST - VER 1.
No
→ Go To 7
7
Turn the ignition off.
Disconnect the Automatic Temperature Control harness connector.
Disconnect the Body Control Module C1 harness connector.
Measure the resistance between ground and the Aspirator Motor Driver circuit.
Is the resistance below 10K ohms?
All
Yes
→ Repair the Aspirator Motor Driver circuit for a short to ground.
Perform BODY VERIFICATION TEST - VER 1.
No
→ Replace Automatic Temperature Control in accordance with the
Service Information.
Perform BODY VERIFICATION TEST - VER 1.
305
HEATING & A/C
IN CAR TEMP SENSOR FAILURE (ATC ASPIRATOR FAILURE) —
Continued