Chrysler 2005 Crossfire SRT6 Service Manual page 3187

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(P0720) CAN BUS CIRCUIT (CONTINUED)
6.
PCM - CAN BUS CIRCUIT
With the ignition off.
Reconnect the TCM C3 harness connector.
Reconnect the CAB harness connector.
Measure the resistance from the CAN C BUS (+) circuit to the CAN C
BUS (-) circuit at the PCM C4 harness connector.
Is the resistance 60.0 ohms, ± 3.0 ohms?
Yes >> Replace and program the Powertrain Control Module.
(Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL
MODULES/POWERTRAIN
REMOVAL).
Perform NAG1 TRANSMISSION VERIFICATION TEST.
No >> Go To 7
7.
CAB - TERMINATING RESISTOR
With the ignition off.
Reconnect the PCM C4 harness connector.
Disconnect the CAB harness connector.
Note: Check connectors - Clean/repair as necessary.
Measure the resistance from the CAN C BUS (+) circuit to the CAN C
BUS (-) circuit at the CAB harness connector.
Is the resistance 120 ohms, ± 2.0 ohms?
Yes >> Replace the Controller Antilock Brake. (Refer to 8 - ELEC-
TRICAL/ELECTRONIC CONTROL MODULES/CONTROL-
LER ANTILOCK BRAKE - REMOVAL).
Perform NAG1 TRANSMISSION VERIFICATION TEST.
No >> Replace the Transmission Control Module. (Refer to 8 -
ELECTRICAL/ELECTRONIC
TRANSMISSION CONTROL MODULE - REMOVAL).
Perform NAG1 TRANSMISSION VERIFICATION TEST.
NAG1 - ELECTRICAL DIAGNOSTICS 21 - 117
CONTROL MODULE
CONTROL MODULES/
-