Bcm - Run/Start Hardwire Input Mismatch - Dodge ZB 2005 Service Manual

IGNITION, POWER, ACCESSORY
Symptom:

BCM - RUN/START HARDWIRE INPUT MISMATCH

When Monitored and Set Condition:
BCM - RUN/START HARDWIRE INPUT MISMATCH
When Monitored: Continuously.
Set Condition: When the BCM detects the Run-Start circuit is not active but the MUX
switch is in the Run position for 2 seconds.
FUSED B(+) CIRCUIT OPEN
IGNITION SWITCH
FUSED IGNITION SWITCH OUTPUT CIRCUIT OPEN
BODY CONTROL MODULE
TEST
1 NOTE: Diagnose and repair any Ignition MUX DTCs before proceeding with
this test.
Turn the ignition off.
Disconnect the Ignition Switch harness connector.
Measure the voltage between the Fused B(+) circuit and ground.
Is the voltage above 10.0 volts?
Yes → Go To 2
→ Repair the Fused B(+) circuit for an open. If the fuse is open make
No
2 Turn the ignition off.
Access the Ignition Switch harness connector.
Turn the ignition on.
While back probing, measure the voltage of the Fused Ignition Switch Output
(Run-Start) circuit.
Is the voltage above 10.0 volts?
Yes → Go To 3
→ Replace the Ignition Switch in accordance with the Service
No
POSSIBLE CAUSES
ACTION
sure to check for a short to ground.
Perform BODY VERIFICATION TEST - VER 1.
Information.
Perform BODY VERIFICATION TEST - VER 1.
256
APPLICABILITY
All
All