Dodge Ram. Manual — part 107

Symptom List:

ABS INDICATOR OUTPUT CIRCUIT OPEN
ABS INDICATOR OUTPUT CIRCUIT SHORTED
AIRBAG WARNING INDICATOR OUTPUT CIRCUIT OPEN
AIRBAG WARNING INDICATOR OUTPUT CIRCUIT SHORT
MIL INDICATOR OUTPUT CIRCUIT OPEN
MIL INDICATOR OUTPUT CIRCUIT SHORTED
WAIT TO START INDICATOR OUTPUT CIRCUIT OPEN
WAIT TO START INDICATOR OUTPUT CIRCUIT SHORTED

Test Note:

All symptoms listed above are diagnosed using the same tests.

The title for the tests will be ABS INDICATOR OUTPUT
CIRCUIT OPEN.

When Monitored and Set Condition:

ABS INDICATOR OUTPUT CIRCUIT OPEN

When Monitored:

With the ignition on and when requested to turn on by the ABS module.

Set Condition:

The Instrument Cluster feedback status on the ABS Lamp shows that an

open circuit condition exists. (Above 5.0 volts when ON).

ABS INDICATOR OUTPUT CIRCUIT SHORTED

When Monitored:

With the ignition on and when requested to turn on by the ABS module.

Set Condition:

The Instrument Cluster feedback status on the ABS Lamp shows that a

short circuit condition exists. (Below 0.3 volts when ON).

AIRBAG WARNING INDICATOR OUTPUT CIRCUIT OPEN

When Monitored:

With the ignition on and when requested to turn on by the Airbag

Control Module.

Set Condition:

The Instrument Cluster feedback status on the Airbag Lamp shows that

an open circuit condition exists. (Above 5.0 volts when ON).

AIRBAG WARNING INDICATOR OUTPUT CIRCUIT SHORT

When Monitored:

With the ignition on and when requested to turn on by the Airbag

Control Module.

Set Condition:

The feedback status of the Airbag Lamp, when ON, to the Instrument

Cluster is below 0.3 volts

MIL INDICATOR OUTPUT CIRCUIT OPEN

When Monitored:

With the ignition on and when requested to turn on by the Powertrain

Control Module.

Set Condition:

The Instrument Cluster feedback status on the MIL Lamp shows that an

open circuit condition exists. (Above 5.0 volts when ON).

425

INSTRUMENT CLUSTER

MIL INDICATOR OUTPUT CIRCUIT SHORTED

When Monitored:

With the ignition on and when requested to turn on by the Powertrain

Control Module.

Set Condition:

The Instrument Cluster feedback status on the MIL Lamp shows that a

short circuit condition exists. (Below 0.3 volts when ON).

WAIT TO START INDICATOR OUTPUT CIRCUIT OPEN

When Monitored:

With the ignition on and when requested to turn on by the Engine

Control Module.

Set Condition:

The Instrument Cluster feedback status on the Wait-to-Start Lamp shows

that an open circuit condition exists. (Above 5.0 volts when ON).

WAIT TO START INDICATOR OUTPUT CIRCUIT SHORTED

When Monitored:

With the ignition on and when requested to turn on by the Engine

Control Module.

Set Condition:

The Instrument Cluster feedback status on the Wait-to-Start Lamp shows

that a short circuit condition exists. (Below 0.3 volts when ON).

POSSIBLE CAUSES

INSTRUMENT CLUSTER

TEST

ACTION

APPLICABILITY

1

NOTE: Diagnose and repair any PCM (ECM if diesel equipped), or Commu-
nication DTCs before proceeding with this test.
NOTE: If any indicator being diagnosed operates during the Instrument
Cluster bulb check, refer to the appropriate system category for diagnos-
tics.
The Instrument Cluster indicator LEDs are not replaceable, view repair.

All

Repair

Replace and configure the Instrument Cluster in accordance with
the Service Information.
Perform BODY VERIFICATION TEST - VER 1.

426

INSTRUMENT CLUSTER

ABS INDICATOR OUTPUT CIRCUIT OPEN —

Continued

Symptom List:

ABS MESSAGES NOT RECEIVED
ACM MESSAGES NOT RECEIVED
FCM MESSAGES NOT RECEIVED
SKIM MESSAGES NOT RECEIVED
TCCM MESSAGES NOT RECEIVED
TCM MESSAGES NOT RECEIVED

Test Note:

All symptoms listed above are diagnosed using the same tests.

The title for the tests will be ABS MESSAGES NOT RE-
CEIVED.

When Monitored and Set Condition:

ABS MESSAGES NOT RECEIVED

When Monitored:

With the ignition on.

Set Condition:

The MIC does not receive any messages from the ABS (CAB) module for

at least 5 seconds.

ACM MESSAGES NOT RECEIVED

When Monitored:

With the ignition on.

Set Condition:

The MIC does not receive any messages from the ACM for at least 5

seconds.

FCM MESSAGES NOT RECEIVED

When Monitored:

With the ignition on.

Set Condition:

The MIC does not receive any messages from the FCM for at least 5

seconds.

SKIM MESSAGES NOT RECEIVED

When Monitored:

With the ignition on.

Set Condition:

The MIC does not receive any messages from the SKIM for at least 5

seconds.

TCCM MESSAGES NOT RECEIVED

When Monitored:

With the ignition on.

Set Condition:

The MIC does not receive any messages from the TCCM for at least 5

seconds.

TCM MESSAGES NOT RECEIVED

When Monitored:

With the ignition on.

Set Condition:

The MIC does not receive any messages from the TCM for at least 5

seconds.

427

INSTRUMENT CLUSTER

POSSIBLE CAUSES

BUS MESSAGE NOT RECEIVED DTC PRESENT

INSTRUMENT CLUSTER

INTERMITTENT CONDITION

TEST

ACTION

APPLICABILITY

1

With the DRBIII

t, attempt to communicate with the module that corresponds to the

DTC that is set.
Was the DRBIII

t able to I/D or communicate with the Module in question?

All

Yes

→ Go To 2

No

→ Refer to Communication category for the related symptom(s).

Perform BODY VERIFICATION TEST - VER 1.

2

NOTE: If this is an active DTC, answer yes to the question.
With the DRBIII

t, erase DTCs.

Cycle the ignition, wait approximately 1 minute.
With the DRBIII

t, read DTCs.

Did the DTC reset?

All

Yes

→ Replace the Instrument Cluster in accordance with the Service

Information.
Perform BODY VERIFICATION TEST - VER 1.

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.

428

INSTRUMENT CLUSTER

ABS MESSAGES NOT RECEIVED —

Continued