Dodge Caliber. Manual — part 246
3.
(D55) CAN B BUS (+) CIRCUIT FOR A SHORT TO VOLTAGE
Turn the ignition off.
Disconnect the TIPM C3 harness connector.
NOTE: Ensure each CAN B Bus module is disconnected at this
time.
Turn the ignition on.
Measure the voltage between the (D55) CAN B Bus (+) circuit and
ground.
Is the voltage above 10.0 volts?
Yes
>> Repair the (D55) CAN B Bus (+) circuit for a short to volt-
age.
Perform BODY VERIFICATION TEST – VER 1. (Refer to 8
-
ELECTRICAL/ELECTRONIC
CONTROL MODULES
-
STANDARD PROCEDURE).
No
>> Go To 4
4.
(D54) CAN B BUS (-) CIRCUIT FOR A SHORT TO VOLTAGE
NOTE: Ensure each CAN B Bus module is disconnected at this
time.
Measure the voltage between the (D54) CAN B Bus (-) circuit and
ground.
Is the voltage above 10.0 volts?
Yes
>> Repair the (D54) CAN B Bus (-) circuit for a short to volt-
age.
Perform BODY VERIFICATION TEST – VER 1. (Refer to 8
-
ELECTRICAL/ELECTRONIC
CONTROL MODULES
-
STANDARD PROCEDURE).
No
>> Go To 5
5.
(D55) CAN B BUS (+) CIRCUIT FOR A SHORT TO GROUND
Turn the ignition off.
NOTE: Ensure each CAN B Bus module is disconnected at this
time.
Measure the resistance between ground and the (D55) CAN B Bus (+)
circuit.
Is the resistance above 1000.0 ohms?
Yes
>> Go To 6
No
>> Repair the (D55) CAN B Bus (+) circuit for a short to
ground.
Perform BODY VERIFICATION TEST – VER 1. (Refer to 8
-
ELECTRICAL/ELECTRONIC
CONTROL MODULES
-
STANDARD PROCEDURE).
PM
ELECTRONIC CONTROL MODULES - ELECTRICAL DIAGNOSTICS
8E - 95
6.
(D54) CAN B BUS (-) CIRCUIT FOR A SHORT TO GROUND
NOTE: Ensure each CAN B Bus module is disconnected at this
time.
Measure the resistance between ground and the (D54) CAN B Bus (-)
circuit.
Is the resistance above 1000.0 ohms?
Yes
>> Go To 7
No
>> Repair the (D54) CAN B Bus (-) circuit for a short to
ground.
Perform BODY VERIFICATION TEST – VER 1. (Refer to 8
-
ELECTRICAL/ELECTRONIC
CONTROL MODULES
-
STANDARD PROCEDURE).
7.
(D55) CAN B BUS (+) CIRCUIT SHORTED TO THE (D54) CAN B BUS (-) CIRCUIT
Measure the resistance between the (D55) CAN B Bus (+) circuit and
(D54) CAN B Bus (-) circuit.
NOTE: Ensure each CAN B Bus module is disconnected at this
time.
Is any resistance present?
Yes
>> Repair the (D55) CAN B Bus (+) circuit for a short to the
(D54) CAN B Bus (-) circuit.
Perform BODY VERIFICATION TEST – VER 1. (Refer to 8
-
ELECTRICAL/ELECTRONIC
CONTROL MODULES
-
STANDARD PROCEDURE).
No
>> Go To 8
8E - 96
ELECTRONIC CONTROL MODULES - ELECTRICAL DIAGNOSTICS
PM
8.
(D55) CAN B BUS (+) CIRCUIT OPEN
Measure the resistance of the (D55) CAN B Bus (+) circuit between the
TIPM C3 harness connector and the Cluster C4 harness connector.
Is the resistance above 10.0 ohms?
Yes
>> Repair the (D55) CAN B Bus (+) circuit for an open or high
resistance.
Perform BODY VERIFICATION TEST – VER 1. (Refer to 8
-
ELECTRICAL/ELECTRONIC
CONTROL MODULES
-
STANDARD PROCEDURE).
No
>> Go To 9
9.
(D54) CAN B BUS (-) CIRCUIT OPEN
Measure the resistance of the (D54) CAN B Bus (-) circuit between the
TIPM C3 harness connector and the Cluster C4 harness connector.
Is the resistance above 10.0 ohms?
Yes
>> Repair the (D54) CAN B Bus (-) circuit for an open or high
resistance.
Perform BODY VERIFICATION TEST – VER 1. (Refer to 8
-
ELECTRICAL/ELECTRONIC
CONTROL MODULES
-
STANDARD PROCEDURE).
No
>> Replace and program the Totally Integrated Power Module
(TIPM) in accordance with the service information.
Perform BODY VERIFICATION TEST – VER 1. (Refer to 8
-
ELECTRICAL/ELECTRONIC
CONTROL MODULES
-
STANDARD PROCEDURE).
PM
ELECTRONIC CONTROL MODULES - ELECTRICAL DIAGNOSTICS
8E - 97
U1108-ADDITIONAL CAN B ECU DETECTED
For a complete wiring diagram Refer to Section 8W.
8E - 98
ELECTRONIC CONTROL MODULES - ELECTRICAL DIAGNOSTICS
PM
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