Dodge Viper SRT-10 (ZB). Manual — part 344
TEST
ACTION
APPLICABILITY
9
Disconnect the Horn connector.
Using a 12-volt test light connected to 12-volts, check the Ground circuits in the horn
connectors.
Does the test light illuminate brightly?
All
Yes
→ Replace the Horns as necessary.
Perform BODY VERIFICATION TEST - VER 1.
No
→ Repair the Ground circuit for an open.
Perform BODY VERIFICATION TEST - VER 1.
269
IGNITION, POWER, ACCESSORY
*HORNS INOPERATIVE —
Continued
Symptom List:
ABS LAMP CIRCUIT OPEN
ABS LAMP CIRCUIT SHORTED
AIRBAG LAMP CIRCUIT OPEN
AIRBAG LAMP CIRCUIT SHORTED
Test Note:
All symptoms listed above are diagnosed using the same tests.
The title for the tests will be ABS LAMP CIRCUIT OPEN.
When Monitored and Set Condition:
ABS LAMP CIRCUIT OPEN
When Monitored:
The Instrument Cluster performs an indicator check each time the
CAB commands the indicator On or Off.
Set Condition:
The Instrument Cluster detects an open in the ABS lamp driver circuit
(cluster internal).
ABS LAMP CIRCUIT SHORTED
When Monitored:
The Instrument Cluster performs an indicator check each time the
CAB commands the indicator On or Off.
Set Condition:
The Instrument Cluster detects a short in the ABS lamp driver circuit
(cluster internal).
AIRBAG LAMP CIRCUIT OPEN
When Monitored:
The Instrument Cluster performs an indicator check each time the
ACM commands the indicator On or Off.
Set Condition:
The Instrument Cluster detects an open in the Airbag lamp driver circuit
(cluster internal).
AIRBAG LAMP CIRCUIT SHORTED
When Monitored:
The Instrument Cluster performs an Airbag indicator check each time
it receives a PCI Bus ACM command to turn the indicator On or Off.
Set Condition:
The Instrument Cluster detects a short in the Airbag lamp driver circuit
(cluster internal).
POSSIBLE CAUSES
INSTRUMENT CLUSTER
270
INSTRUMENT CLUSTER
TEST
ACTION
APPLICABILITY
1
This is an internal Instrument Cluster failure.
All
View repair.
Replace the Instrument Cluster in accordance with the Service
Information.
Perform BODY VERIFICATION TEST - VER 1.
271
INSTRUMENT CLUSTER
ABS LAMP CIRCUIT OPEN —
Continued
Symptom:
ABS MESSAGES NOT RECEIVED
When Monitored and Set Condition:
ABS MESSAGES NOT RECEIVED
When Monitored:
With the ignition On.
Set Condition:
The Instrument Cluster detects no ABS messages received for 5 ± 1
seconds.
POSSIBLE CAUSES
INTERMITTENT CONDITION
NO RESPONSE - PCI BUS - ABS
INSTRUMENT CLUSTER
TEST
ACTION
APPLICABILITY
1
Turn the ignition on.
With the DRBIII
t, attempt to I/D or communicate with the ABS Module.
Is there a response from the ABS Module?
All
Yes
→ Go To 2
No
→ Refer to symptom *NO RESPONSE FROM CAB CONTROLLER
in the Communication category.
Perform BODY VERIFICATION TEST - VER 1.
2
With the DRBIII
t, erase the DTC from the Instrument Cluster.
Cycle the ignition and wait approximately 1 minute.
With the DRBIII
t, read DTCs.
Did this 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.
272
INSTRUMENT CLUSTER
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