Chrysler RG Voyager. Manual — part 88
TEST
ACTION
APPLICABILITY
8
WARNING: Turn the ignition off, disconnect the battery and wait 2 minutes
before proceeding.
CAUTION: Do not place an intact undeployed airbag module face down on
a hard surface, the airbag module will propel into the air if accidently
deployed.
Remove the Driver Airbag Module.
Disconnect both remote radio switch harness connectors.
Disconnect the Clockspring C4 harness connector.
Measure the resistance of the Radio Control MUX Return circuit between the
inoperative remote radio switch and the clockspring connector.
Is the resistance below 5.0 ohms?
All
Yes
→ Go To 9
No
→ Repair the Radio Control MUX Return circuit for an open be-
tween the inoperative switch and the clockspring.
Perform BODY VERIFICATION TEST - VER 1.
9
If there are no possible causes remaining, view repair.
All
Repair
Replace the inoperative Remote Radio Switch.
Perform BODY VERIFICATION TEST - VER 1.
321
AUDIO
*REMOTE RADIO CONTROLS INOPERATIVE —
Continued
Symptom:
AC PRESSURE TOO HIGH (ACTIVE)
When Monitored and Set Condition:
AC PRESSURE TOO HIGH (ACTIVE)
When Monitored:
With the ignition on and the IOD fuse installed. Also monitored during
the Cooldown Test.
Set Condition:
This DTC is set if the ATC reads the A/C Pressure Sensor value and it is
above 250 A/D counts.
POSSIBLE CAUSES
PCM/ECM DTC(S) PRESENT
ATC
TEST
ACTION
APPLICABILITY
1
NOTE: Ensure that the A/C refrigerant system is properly charged per the
Service Information.
Turn the ignition on.
With the DRBIII
t, read PCM/ECM DTCs.
Does the DRBIII
t display any PCM/ECM DTCs?
All
Yes
→ Refer to Powertrain Diagnostic information for the related symp-
tom(s).
With the DRBIII
t, reset the ATC after repair is complete.
Perform BODY VERIFICATION TEST - VER 1.
No
→ Replace the ATC.
With the DRBIII
t, reset the ATC after repair is complete.
Perform BODY VERIFICATION TEST - VER 1.
322
AUTOMATIC TEMPERATURE CONTROL
Symptom List:
AC PRESSURE TOO HIGH (STORED)
DRIVER BLEND DOOR NOT RESPONDING (STORED)
DRIVER BLEND DOOR RANGE TOO LARGE (STORED)
DRIVER BLEND DOOR TRAVEL TOO SMALL (STORED)
EVAP TEMP SENSOR OPEN (STORED)
EVAP TEMP SENSOR SHORTED (STORED)
FRONT IR SENSOR AND CONTROL HEAD MISMATCH (STORED)
FRONT IR SENSOR CHANGE TOO LARGE (STORED)
FRONT IR SENSOR HIGH (STORED)
FRONT IR SENSOR LOW (STORED)
FRONT IR SENSOR NOT CALIBRATED (STORED)
FRONT KEYBOARD COMMUNICATION FAULT (STORED)
FRONT KEYBOARD FAULT (STORED)
FRONT MODE DOOR NOT RESPONDING (STORED)
FRONT MODE DOOR TRAVEL TOO LARGE (STORED)
FRONT MODE DOOR TRAVEL TOO SMALL (STORED)
PASS BLEND DOOR NOT RESPONDING (STORED)
PASS BLEND DOOR TRAVEL TOO LARGE (STORED)
PASS BLEND DOOR TRAVEL TOO SMALL (STORED)
PCI BUS SHORTED HIGH (STORED)
PCI BUS SHORTED LOW (STORED)
REAR BLEND DOOR NOT RESPONDING (STORED)
REAR BLEND DOOR RANGE TOO LARGE (STORED)
REAR BLEND DOOR TRAVEL TOO SMALL (STORED)
REAR FAN POT OPEN (STORED)
REAR FAN POT SHORTED (STORED)
REAR KEYBOARD FAULT (STORED)
REAR MODE DOOR NOT RESPONDING (STORED)
REAR MODE DOOR TRAVEL TOO LARGE (STORED)
REAR MODE DOOR TRAVEL TOO SMALL (STORED)
REAR MODE POT OPEN (STORED)
REAR MODE POT SHORTED (STORED)
RECIRC DOOR NOT RESPONDING (STORED)
RECIRC DOOR TRAVEL TOO LARGE (STORED)
RECIRC DOOR TRAVEL TOO SMALL (STORED)
Test Note:
All symptoms listed above are diagnosed using the same tests.
The title for the tests will be AC PRESSURE TOO HIGH
(STORED).
323
AUTOMATIC TEMPERATURE CONTROL
When Monitored and Set Condition:
AC PRESSURE TOO HIGH (STORED)
When Monitored:
With the ignition on and the IOD fuse installed. Also monitored during
the Cooldown Test.
Set Condition:
This DTC is set if the ATC reads the A/C Pressure Sensor value and it is
above 250 A/D counts.
DRIVER BLEND DOOR NOT RESPONDING (STORED)
When Monitored:
With the ignition on and the IOD fuse installed.
Set Condition:
This DTC is set if the ATC does not receive feedback pulses within 5
seconds of the drive voltage being applied.
DRIVER BLEND DOOR RANGE TOO LARGE (STORED)
When Monitored:
With the ignition on and the IOD fuse installed.
Set Condition:
This DTC is set when the ATC monitors the travel range during system
initialization and the measured range is greater than expected.
DRIVER BLEND DOOR TRAVEL TOO SMALL (STORED)
When Monitored:
With the ignition on and the IOD fuse installed.
Set Condition:
This DTC is set when the ATC monitors the travel range during system
initialization and the measured range is less than expected.
EVAP TEMP SENSOR OPEN (STORED)
When Monitored:
With the ignition on and the IOD fuse installed.
Set Condition:
This DTC is displayed if the ATC detects an abnormally high voltage on
the evaporator temperature sensor signal.
EVAP TEMP SENSOR SHORTED (STORED)
When Monitored:
With the ignition on and the IOD fuse installed.
Set Condition:
This DTC is displayed if the ATC detects an abnormally low voltage on the
evaporator temperature sensor signal.
FRONT IR SENSOR AND CONTROL HEAD MISMATCH (STORED)
When Monitored:
With the ignition on and the IOD fuse installed.
Set Condition:
This DTC is set if the correct ATC head is not paired with the correct IR
module (i.e. left hand ATC head paired with right hand IR module).
FRONT IR SENSOR CHANGE TOO LARGE (STORED)
When Monitored:
With the ignition on and the IOD fuse installed.
Set Condition:
This DTC will set if the ATC head detects a temperature difference greater
than 50 degrees between the front IR sensors.
324
AUTOMATIC TEMPERATURE CONTROL
AC PRESSURE TOO HIGH (STORED) —
Continued
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