Dodge Neon 2001 Service Manual page 131

*NO RESPONSE FROM PCM (SCI ONLY) —
TEST
9 Turn the ignition off.
Disconnect the PCM harness connector.
Disconnect the DRBIII , from the DLC.
Measure the resistance of the SCI Transmit circuit between the PCM connector and
the DLC.
Is the resistance below 5.0 ohms?
Yes → Go To 10
→ Repair the SCI Transmit circuit for an open.
No
10 Turn the ignition off.
Disconnect the DRBIII , from the DLC.
Disconnect the negative battery cable.
Measure the resistance between ground and both ground circuits at the DLC.
Is the resistance below 5.0 ohms for each measurement?
Yes → Go To 11
→ Repair the ground circuit that measured above 5.0 ohms for an
No
11 If there are no possible causes remaining, view repair.
Repair
ACTION
Perform POWERTRAIN VERIFICATION TEST VER-1.
open.
Perform POWERTRAIN VERIFICATION TEST VER-1.
Replace and program the Powertrain Control Module in accor-
dance with the Service Information.
Perform POWERTRAIN VERIFICATION TEST VER-1.
Continued
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COMMUNICATION
APPLICABILITY
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All
All