ZH
*NO RESPONSE FROM A/C HEATER CONTROL MODULE (CONTINUED)
3.
FUSED B+ CIRCUIT OPEN
Turn the ignition off.
Disconnect the A/C Heater Control Module harness connector.
Note: Check connector — Clean/repair as necessary.
Turn the ignition on.
Measure the voltage of the Fused B+ circuit at the A/C Heater Control
Module harness connector.
Is the voltage above 10 volts?
Yes
>> Go to 4
No
>> Repair the Fused B+ circuit for an open.
Perform BODY VERIFICATION TEST.
4.
FUSED IGNITION SWITCH OUTPUT CIRCUIT(S) OPEN
With the ignition on.
Measure the voltage of the Fused Ignition Switch Output circuits at the
A/C Heater Control Module harness connector.
Is the voltage above 10 volts?
Yes
>> Go to 5
No
>> Repair the Fused Ignition Switch Output circuit(s) for an
open.
Perform BODY VERIFICATION TEST.
ELECTRONIC CONTROL MODULES - ELECTRICAL DIAGNOSTICS 8E - 31