Chrysler Voyager. Manual — part 328

Symptom:

EC MIRROR DAY/NIGHT LINE FAULT

When Monitored and Set Condition:

EC MIRROR DAY/NIGHT LINE FAULT

When Monitored:

With the ignition on.

Set Condition:

The EVIC Module does not receive any messages from the EC Mirror.

POSSIBLE CAUSES

INTERMITTENT CONDITION

AUTOMATIC DAY/NIGHT MIRROR

AUTOMATIC HEADLAMP SWITCH SENSOR CIRCUIT OPEN

AUTOMATIC HEADLAMP SWITCH SENSOR CIRCUIT SHORTED TO GROUND

AUTOMATIC HEADLAMP SWITCH SENSOR CIRCUIT SHORTED TO VOLTAGE

CMTC/EVIC MODULE

TEST

ACTION

APPLICABILITY

1

With the DRBIII

t, erase the DTC.

Cycle the ignition on and off several times, leaving the ignition on for at least 15
seconds.
With the DRBIII

t, read DTCs.

Did the DTC reset?

All

Yes

→ Go To 2

No

→ The condition is not present at this time. Monitor DRBIIIt

parameters while wiggling the related wire harness. Refer to any
Technical Service Bulletins (TSB) that may apply. Visually in-
spect the related wiring harness and connector terminals.
Perform BODY VERIFICATION TEST - VER 1.

2

Turn the ignition off.
Disconnect the Automatic Day/Night Mirror harness connector.
Turn the ignition on.
Measure the voltage of the Automatic Headlamp Switch Sensor circuit in the
Automatic Day/Night Mirror harness connector.
Is the voltage 4.9 volts?

All

Yes

→ Replace the Automatic Day/Night Mirror in accordance with the

Service Information.
Perform BODY VERIFICATION TEST - VER 1.

No

→ Go To 3

739

OVERHEAD CONSOLE

TEST

ACTION

APPLICABILITY

3

Turn the ignition off.
Disconnect the EVIC harness connector.
Disconnect the Automatic Day/Night Mirror harness connector.
Measure the resistance of the Automatic Headlamp Switch Sensor circuit between
the Automatic Day/Night Mirror harness connector and the EVIC harness connector.
Is the resistance below 5.0 ohms?

All

Yes

→ Go To 4

No

→ Repair the Automatic Headlamp Switch Sensor circuit for an

open.
Perform BODY VERIFICATION TEST - VER 1.

4

Turn the ignition off.
Disconnect the EVIC harness connector.
Disconnect the Automatic Day/Night Mirror harness connector.
Measure the resistance of the Automatic Headlamp Switch Sensor circuit in the
EVIC harness connector to ground.
Is the resistance below 5.0 ohms?

All

Yes

→ Repair the Automatic Headlamp Switch Sensor circuit for a short

to ground.
Perform BODY VERIFICATION TEST - VER 1.

No

→ Go To 5

5

Turn the ignition off.
Disconnect the Automatic Day/Night Mirror harness connector.
Disconnect the EVIC harness connector.
Using a 12 volt test light connected to ground, probe the Automatic Headlamp Switch
Sensor circuit in the Automatic Day/Night Mirror harness connector.
Does the test illuminate brightly?

All

Yes

→ Repair the Automatic Headlamp Switch Sensor circuit for a

shorted to voltage.
Perform BODY VERIFICATION TEST - VER 1.

No

→ Replace the CMTC/EVIC Module.

Perform BODY VERIFICATION TEST - VER 1.

740

OVERHEAD CONSOLE

EC MIRROR DAY/NIGHT LINE FAULT —

Continued

Symptom:

EVIC INTERNAL FAILURE

When Monitored and Set Condition:

EVIC INTERNAL FAILURE

When Monitored:

When a SELF TEST command is received from the DRBIII, the EVIC

performs a series of tests on the microprocessor, compass coil, and internal circuitry.

Set Condition:

The code will be set, if during the self test the EVIC detects a problem the

microprocessor, compass coil, and internal circuitry.

POSSIBLE CAUSES

EVIC INTERNAL FAILURE

TEST

ACTION

APPLICABILITY

1

Turn the ignition on.
With the DRBIII

t, erase the DTC.

Cycle the ignition on and off several times leaving the ignition in the on position for
at least 15 second each time.
With the DRBIII

t, read DTCs.

Does the DTC reset?

All

Yes

→ Replace Electronic Vehicle Information Center.

Perform BODY VERIFICATION TEST - VER 1.

No

→ Test Complete.

741

OVERHEAD CONSOLE

Symptom:

LOOPBACK FAILURE

POSSIBLE CAUSES

CMTC/EVIC MODULE

TEST

ACTION

APPLICABILITY

1

Turn the ignition on.
With the DRBIII

t, erase DTCs.

Turn the ignition off, and wait approximately 15 seconds.
With the DRBIII

t, read DTCs.

Did this DTC reset?

All

Yes

→ Replace the CMTC or EVIC in accordance with the Service

Information.
Perform BODY VERIFICATION TEST - VER 1.

No

→ Test Complete.

742

OVERHEAD CONSOLE