Chrysler 2005 Crossfire SRT6 Service Manual page 3133

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(P0600) IC/HVAC CAN MESSAGE MISSING (CONTINUED)
5.
CAN C BUS (+) OR (-) CIRCUIT(S) OPEN
Turn the ignition off.
Disconnect the Instrument Cluster C1 harness connector.
Note: Check connectors - Clean/repair as necessary.
Measure the resistance between the CAN C BUS (+) circuit and the
CAN C BUS (-) circuit in the Instrument Cluster C1 harness connector.
Is the resistance 60 ohms ± 3.0 ohms?
Yes >> Go To 6
No >> Repair the faulty CAN C BUS circuit for an open.
Perform NAG1 TRANSMISSION VERIFICATION TEST.
6.
SERIAL COMMUNICATION K1 OR K2 CIRCUIT OPEN
With the ignition off.
Disconnect the A/C Heater Control Module harness connector.
Note: Check connectors - Clean/repair as necessary.
Measure the resistance of the Serial Communication K1 and K2 cir-
cuits from the Instrument Cluster C1 harness connector to the A/C
Heater Control Module harness connector.
Is the resistance below 5 ohms for both circuits?
Yes >> Go To 7
No >> Repair the Serial Communication circuit(s) for an open.
Perform NAG1 TRANSMISSION VERIFICATION TEST.
NAG1 - ELECTRICAL DIAGNOSTICS 21 - 63