Dodge Ram Truck 1500-2500-3500. Manual — part 382
*SEAT BELT WARNING INDICATOR ALWAYS OFF - STANDARD CAB (CONTINUED)
For the Instrument Cluster circuit diagram (Refer to 8 - ELECTRICAL/INSTRUMENT CLUSTER - SCHEMATICS
AND DIAGRAMS).
For a complete wiring diagram Refer to Section 8W.
Possible Causes
(G10) SEAT BELT SWITCH SENSE CIRCUIT SHORT TO GROUND
INSTRUMENT CLUSTER
Diagnostic Test
1.
(G10) SEAT BELT SWITCH SENSE CIRCUIT SHORT TO GROUND
Turn the ignition off.
Disconnect the Seat Belt Switch harness connector.
Disconnect the Instrument Cluster C3 harness connector.
Measure the resistance between ground and the (G10) Seat Belt
Switch Sense circuit.
Is the resistance below 5.0 ohms?
Yes
>> Repair the (G10) Seat Belt Switch Sense circuit for a short
to ground.
Perform BODY VERIFICATION TEST - VER 1. (Refer to
BODY VERIFICATION TEST - VER 1.)
No
>> Replace and configure the Instrument Cluster in accor-
dance with the Service Information.
Perform BODY VERIFICATION TEST - VER 1. (Refer to
BODY VERIFICATION TEST - VER 1.)
8J - 88
INSTRUMENT CLUSTER - ELECTRICAL DIAGNOSTICS
DR/DH
*SEAT BELT WARNING INDICATOR ALWAYS ON
DR/DH
INSTRUMENT CLUSTER - ELECTRICAL DIAGNOSTICS
8J - 89
*SEAT BELT WARNING INDICATOR ALWAYS ON (CONTINUED)
For the Instrument Cluster circuit diagram (Refer to 8 - ELECTRICAL/INSTRUMENT CLUSTER - SCHEMATICS
AND DIAGRAMS).
For a complete wiring diagram Refer to Section 8W.
Possible Causes
(Z951) SEAT BELT SWITCH GROUND CIRCUIT FOR AN OPEN
(G10) SEAT BELT SWITCH SENSE CIRCUIT OPEN
SEAT BELT SWITCH
INSTRUMENT CLUSTER
Diagnostic Test
1.
CHECK THE OPERATION OF THE SEAT BELT SWITCH
Turn the ignition off.
Disconnect the Seat Belt Switch harness connector.
Connect a jumper wire between cavity 1 and cavity 2.
Turn the ignition on.
Observe the Seat Belt Warning Indicator.
Did the Seat Belt Warning Indicator illuminate for approximately
4 seconds and then turn off?
Yes
>> Replace the Seat Belt Switch in accordance with the Ser-
vice Information.
Perform BODY VERIFICATION TEST - VER 1. (Refer to
BODY VERIFICATION TEST - VER 1.)
No
>> Go To 2
2.
CHECK THE (Z951) SEAT BELT SWITCH GROUND CIRCUIT FOR AN OPEN
Turn the ignition off.
Disconnect the Seat Belt Switch harness connector.
Measure the resistance between ground and the (Z951) Seat Belt
Switch Ground circuit.
Is the resistance above 5.0 ohms?
Yes
>> Repair the (Z951) Seat Belt Switch Ground circuit for an
open.
Perform BODY VERIFICATION TEST - VER 1. (Refer to
BODY VERIFICATION TEST - VER 1.)
No
>> Go To 3
8J - 90
INSTRUMENT CLUSTER - ELECTRICAL DIAGNOSTICS
DR/DH
*SEAT BELT WARNING INDICATOR ALWAYS ON (CONTINUED)
3.
CHECK THE (G10) SEAT BELT SWITCH SENSE CIRCUIT FOR AN OPEN
Measure the resistance of the (G10) Seat Belt Switch Sense circuit
between the Seat Belt Switch connector and the Instrument Cluster C3
connector.
Is the resistance above 5.0 ohms?
Yes
>> Repair the (G10) Seat Belt Switch Sense circuit for an
open.
Perform BODY VERIFICATION TEST - VER 1. (Refer to
BODY VERIFICATION TEST - VER 1.)
No
>> Replace and configure the Instrument Cluster in accor-
dance with the Service Information.
Perform BODY VERIFICATION TEST - VER 1. (Refer to
BODY VERIFICATION TEST - VER 1.)
DR/DH
INSTRUMENT CLUSTER - ELECTRICAL DIAGNOSTICS
8J - 91
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