Chrysler Voyager. Manual — part 198

Symptom List:

FRONT AND REAR BLOWER OUTPUT 1 OPEN
FRONT AND REAR BLOWER OUTPUT 2 OPEN

Test Note:

All symptoms listed above are diagnosed using the same tests.

The title for the tests will be FRONT AND REAR BLOWER
OUTPUT 1 OPEN.

When Monitored and Set Condition:

FRONT AND REAR BLOWER OUTPUT 1 OPEN

When Monitored:

Continuously.

Set Condition:

If the FCM detects no voltage present on the Front/Rear Blower Motor

Relay Control circuit.

FRONT AND REAR BLOWER OUTPUT 2 OPEN

When Monitored:

Continuously.

Set Condition:

If the FCM detects no voltage present on the Front/Rear Blower Motor

Relay Control circuit.

POSSIBLE CAUSES

FRONT & REAR BLOWER OUTPUT 1/2 OPEN

TEST

ACTION

APPLICABILITY

1

View repair.

All

Repair

Refer to symptom Front and Rear Blower Output 1 Open or
symptom Front and Rear Blower Output 2 Open in the Heating &
A/C category.
Perform BODY VERIFICATION TEST - VER 1.

219

AUTOMATIC TEMPERATURE CONTROL

Symptom List:

FRONT AND REAR BLOWER OUTPUT 1 SHORT TO BATT
FRONT AND REAR BLOWER OUTPUT 2 SHORT TO BATT

Test Note:

All symptoms listed above are diagnosed using the same tests.

The title for the tests will be FRONT AND REAR BLOWER
OUTPUT 1 SHORT TO BATT.

When Monitored and Set Condition:

FRONT AND REAR BLOWER OUTPUT 1 SHORT TO BATT

When Monitored:

With the ignition on.

Set Condition:

The FCM detects excessive current when attempting to close the Front/

Rear Blower Motor Relays.

FRONT AND REAR BLOWER OUTPUT 2 SHORT TO BATT

When Monitored:

With the ignition on.

Set Condition:

The FCM detects excessive current when attempting to close the Front/

Rear Blower Motor Relays.

POSSIBLE CAUSES

FRONT & REAR BLOWER OUTPUT 1/2 SHORT TO BATT

TEST

ACTION

APPLICABILITY

1

View repair.

All

Repair

Refer to symptom Front and Rear Blower Output 1 Short to Batt
or symptom Front and Rear Blower Output 2 Short to Batt in the
Heating & A/C category.
Perform BODY VERIFICATION TEST - VER 1.

220

AUTOMATIC TEMPERATURE CONTROL

Symptom List:

FRONT IR SENSOR AND CONTROL HEAD MISMATCH (ACTIVE)
FRONT IR SENSOR CHANGE TOO LARGE (ACTIVE)
FRONT IR SENSOR HIGH (ACTIVE)
FRONT IR SENSOR LOW (ACTIVE)

Test Note:

All symptoms listed above are diagnosed using the same tests.

The title for the tests will be FRONT IR SENSOR AND
CONTROL HEAD MISMATCH (ACTIVE).

When Monitored and Set Condition:

FRONT IR SENSOR AND CONTROL HEAD MISMATCH (ACTIVE)

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 (ACTIVE)

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.

FRONT IR SENSOR HIGH (ACTIVE)

When Monitored:

With the ignition on and the IOD fuse installed.

Set Condition:

This DTC is set if the ATC reads the Front IR Sensor value and it is above

250 A/D counts.

FRONT IR SENSOR LOW (ACTIVE)

When Monitored:

With the ignition on and the IOD fuse installed.

Set Condition:

This DTC is set if the ATC reads the Front IR Sensor value and it is below

5 A/D counts.

POSSIBLE CAUSES

ATC REMOTE SENSOR

TEST

ACTION

APPLICABILITY

1

This DTC indicates a fault in the ATC Remote Sensor.
View repair.

All

Repair

Replace the ATC Remote Sensor.
With the DRBIII

t, reset the ATC after repair is complete.

Perform BODY VERIFICATION TEST - VER 1.

221

AUTOMATIC TEMPERATURE CONTROL

Symptom List:

FRONT IR SENSOR NOT CALIBRATED (ACTIVE)
FRONT KEYBOARD FAULT (ACTIVE)

Test Note:

All symptoms listed above are diagnosed using the same tests.

The title for the tests will be FRONT IR SENSOR NOT
CALIBRATED (ACTIVE).

When Monitored and Set Condition:

FRONT IR SENSOR NOT CALIBRATED (ACTIVE)

When Monitored:

With the ignition on and the IOD fuse installed.

Set Condition:

This DTC is set if the ATC cannot read the IR sensor values or the IR

sensor values are not within a defined range of the HVAC air door motor counts.

FRONT KEYBOARD FAULT (ACTIVE)

When Monitored:

With the ignition on and the IOD fuse installed.

Set Condition:

This DTC will set if there is an internal fault in the ATC head.

POSSIBLE CAUSES

ATC - PROTECTED IGNITION CIRCUIT FAULT

KDB 2 CLOCK CIRCUIT SHORTED TO VOLTAGE

KDB 2 DATA CIRCUIT SHORTED TO GROUND

KDB 2 DATA CIRCUIT SHORTED TO VOLTAGE

PROTECTED IGNITION CIRCUIT OPEN

SENSOR RETURN CIRCUIT OPEN

KDB 2 CLOCK CIRCUIT SHORTED TO GROUND

KDB 2 DATA CIRCUIT OPEN

ATC - KDB 2 DATA CIRCUIT FAULT

ATC - SENSOR RETURN CIRCUIT FAULT

KDB 2 CLOCK CIRCUIT OPEN

ATC - KDB 2 CLOCK CIRCUIT FAULT

ATC REMOTE SENSOR

222

AUTOMATIC TEMPERATURE CONTROL