Chrysler 300/300 Touring/300C, Dodge Magnum. Manual — part 364
3.
(Z903) GROUND CIRCUIT OPEN
Using a 12-volt test light connected to 12-volts, check the (Z903)
ground circuit.
Does the test light illuminate brightly?
Yes
>> Go To 4
No
>> Repair the (Z903) ground circuit for an open.
Perform ABS VERIFICATION TEST - VER 1.
4.
(F202) FUSED IGNITION SWITCH OUTPUT CIRCUIT OPEN OR SHORTED
Turn the ignition on.
Using a 12-volt test light connected to ground, check the (F202) Fused
Ignition Switch Output circuit.
Does the test light illuminate brightly?
Yes
>> Go To 5
No
>> Repair the (F202) Fused Ignition Switch Output circuit for
an open or short.
Perform ABS VERIFICATION TEST - VER 1.
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ELECTRONIC CONTROL MODULES - ELECTRICAL DIAGNOSTICS
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5.
(D65) CAN C BUS (+) CIRCUIT OPEN
Turn the ignition off.
Disconnect the FCM C1 harness connector.
Measure the resistance of the (D65) CAN C Bus (+) circuit between the
FCM connector and the Antilock Brake Module connector.
Is resistance below 5.0 ohms?
Yes
>> Go To 6
No
>> Repair the (D65) CAN C Bus (+) circuit for an open.
Perform ABS VERIFICATION TEST - VER 1.
6.
(D64) CAN C BUS (-) CIRCUIT OPEN
Measure the resistance of the (D64) CAN C Bus (-) circuit between the
FCM connector and the Antilock Brake Module connector.
Is resistance below 5.0 ohms?
Yes
>> Replace the Antilock Brake Module in accordance with the
service information.
Perform ABS VERIFICATION TEST - VER 1.
No
>> Repair the (D64) CAN C Bus (-) circuit for an open.
Perform ABS VERIFICATION TEST - VER 1.
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*NO RESPONSE FROM AMP (AMPLIFIER)
For a complete wiring diagram Refer to Section 8W.
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Possible Causes
(X13) FUSED B (+) CIRCUIT OPEN OR SHORTED
(Z910) GROUND CIRCUIT OPEN
(D55) AND (D54) CAN B BUS CIRCUITS OPEN
AMPLIFIER
Diagnostic Test
1.
TEST FOR INTERMITTENT CONDITION
Turn the ignition on.
NOTE: Ensure the IOD fuse is installed and battery voltage is between 10.0 and 16.0 volts.
With the scan tool, select ECU View.
NOTE: A red X will be next to the module that is not communicating, indicating that the module is not active
on the Bus network. A green check indicates that the module is active on the Bus network.
Does the scan tool display a red X next to the module?
Yes
>> Go To 2
No
>> The no response condition is not present at this time. Using the wiring diagram/schematic as a guide,
inspect the wiring for chafed, pierced, pinched, and partially broken wires and the wiring harness con-
nectors for broken, bent, pushed out, and corroded terminals.
2.
(X13) FUSED B(+) CIRCUIT OPEN OR SHORTED
Turn the ignition off.
Disconnect the Radio Amplifier C2 harness connector.
Using a 12-volt test light connected to ground, check each (X13) Fused
B(+) circuit.
Does the test light illuminate brightly for each circuit?
Yes
>> Go To 3
No
>> Repair the (X13) Fused B(+) circuit for an open or short.
Perform BODY VERIFICATION TEST – VER 1. (Refer to
BODY VERIFICATION TEST – VER 1).
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