Chrysler Voyager. Manual — part 327

Symptom:

BUS MESSAGES MISSING

When Monitored and Set Condition:

BUS MESSAGES MISSING

When Monitored:

While the EVIC is performing 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 does not receive

messages from the BCM, FCM, EATX or PCM.

POSSIBLE CAUSES

BCM COMMUNICATION

PCM COMMUNICATION

FCM COMMUNICATION

EATX COMMUNICATION

EVIC

TEST

ACTION

APPLICABILITY

1

Turn the ignition on.
With the DRBIII

t, attempt to communicate with BCM.

Can communication be established with the BCM?

All

Yes

→ Go To 2

No

→ Refer to Communication Category and perform the appropriate

system.
Perform BODY VERIFICATION TEST - VER 1.

2

Turn the ignition on.
With the DRBIII

t, access Body Control Module.

Select Body Controller and System test.
Does the DRBIII

t display PCM Active on the Bus?

All

Yes

→ Go To 3

No

→ Refer to Communication Category and perform the appropriate

system.
Perform BODY VERIFICATION TEST - VER 1.

3

Turn the ignition on.
With the DRBIII

t, attempt to communicate with the FCM.

Can communication be established with the FCM?

All

Yes

→ Go To 4

No

→ Refer to Communication Category and perform the appropriate

system.
Perform BODY VERIFICATION TEST - VER 1.

735

OVERHEAD CONSOLE

TEST

ACTION

APPLICABILITY

4

Turn the ignition on.
With the DRBIII

t, attempt to communicate with the EATX.

Can communication be established with the EATX?

All

Yes

→ Replace the EVIC Module.

Perform BODY VERIFICATION TEST - VER 1.

No

→ Refer to Communication Category and perform the appropriate

system.
Perform BODY VERIFICATION TEST - VER 1.

736

OVERHEAD CONSOLE

BUS MESSAGES MISSING —

Continued

Symptom:

COMPASS TEST FAILURE

When Monitored and Set Condition:

COMPASS TEST FAILURE

When Monitored:

During the EVIC self test.

Set Condition:

POSSIBLE CAUSES

CMTC/EVIC MODULE

TEST

ACTION

APPLICABILITY

1

Perform the CMTC/EVIC self test.
Turn the ignition off.
Depress and hold the RESET and STEP buttons while turning the ignition on.
NOTE: This test may also be performed using the DRBIII

t.

Does the CMTC/EVIC or DRBIII

t display 9FAILED SELF TEST9?

All

Yes

→ Replace the CMTC or EVIC in accordance with the Service

Information.
Perform BODY VERIFICATION TEST - VER 1.

No

→ Test Complete.

737

OVERHEAD CONSOLE

Symptom:

DEMAGNETIZE COMPASS AS PER SERVICE MANUAL

When Monitored and Set Condition:

DEMAGNETIZE COMPASS AS PER SERVICE MANUAL

When Monitored:

During the EVIC self test.

Set Condition:

Compass has been magnetized.

POSSIBLE CAUSES

DEMAGNETIZE COMPASS

TEST

ACTION

APPLICABILITY

1

Refer to the Service Information for the Demagnetizing Procedure.
View Repair for Verification Test.

All

Repair

When the Demagnetizing Procedure is complete perform the
Verification Test.
Perform BODY VERIFICATION TEST - VER 1.

738

OVERHEAD CONSOLE