Dodge Caliber. Manual — part 959
3.
RADIATOR FAN LOW/HIGH CONTROL RELAY SHORTED INTERNALLY
With the test light still at the Fused B+ circuits (Radiator Medium/High Fan Relay), remove the Radiator Fan Low/
High Control Relay.
When the relay is removed, does the test light illuminate brightly?
Yes
>> Replace the Radiator Fan Low/High Control Relay.
Perform BODY VERIFICATION TEST – VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL
MODULES - STANDARD PROCEDURE)
No
>> Repair the open or short to ground in the Fused B+ circuits. Inspect the related fuse and repair as
necessary.
Perform BODY VERIFICATION TEST – VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL
MODULES - STANDARD PROCEDURE)
4.
(N112) RADIATOR FAN RELAY CONTROL CIRCUIT
Disconnect the TIPM C-11 harness connector.
Turn the ignition on, engine not running.
With a scan tool, select Radiator Cooling Fan Relay #2 Control State
and then Toggle, to actuate the Radiator Fan Medium/High Relay.
Using a 12–volt test light connected to battery voltage, probe the (N112)
Radiator Fan High Relay Control circuit in the TIPM C-11 harness con-
nector.
Does the test light illuminate and flash on and off?
Yes
>> Replace the Radiator Fan Medium/High Relay.
Perform BODY VERIFICATION TEST – VER 1. (Refer to 8
-
ELECTRICAL/ELECTRONIC
CONTROL MODULES
-
STANDARD PROCEDURE)
No
>> Go To 5
PM
ENGINE ELECTRICAL DIAGNOSTICS - DIESEL
9 - 1123
5.
(N112) RADIATOR FAN RELAY CONTROL CIRCUIT OPEN
Turn the ignition off.
Measure the resistance of the (N112) Radiator Fan Relay Control circuit
from the Relay connection to the TIPM C-11 harness connector.
Is the resistance below 10.0 ohms?
Yes
>> Go To 6
No
>> Replace the PDM in accordance with the Service Informa-
tion.
Perform BODY VERIFICATION TEST – VER 1. (Refer to 8
-
ELECTRICAL/ELECTRONIC
CONTROL MODULES
-
STANDARD PROCEDURE)
6.
(N112) RADIATOR FAN RELAY CONTROL CIRCUIT SHORTED TO GROUND
Measure the resistance between ground and the (N112) Radiator Fan
Relay Control circuit at the Relay connection.
Is the resistance below 100 ohms?
Yes
>> Go To 7
No
>> Replace the Totally Integrated Power Module in accordance
with the Service Information.
Perform BODY VERIFICATION TEST – VER 1. (Refer to 8
-
ELECTRICAL/ELECTRONIC
CONTROL MODULES
-
STANDARD PROCEDURE)
7.
RADIATOR FAN LOW/HIGH CONTROL RELAY SHORTED INTERNALLY
With the probe still at the (N112) Radiator Fan Control circuit, remove the Radiator Fan Low/High Control Relay.
Is the resistance still below 10 ohms?
Yes
>> Repair the open or short to ground in the (N112) Radiator Fan High Control circuit.
Perform BODY VERIFICATION TEST – VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL
MODULES - STANDARD PROCEDURE)
No
>> Replace the Radiator Fan Low/High Control Relay.
Perform BODY VERIFICATION TEST – VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL
MODULES - STANDARD PROCEDURE)
9 - 1124
ENGINE ELECTRICAL DIAGNOSTICS - DIESEL
PM
P0487-EGR AIRFLOW THROTTLE CONTROL CIRCUIT A OPEN
For a complete wiring diagram Refer to Section 8W
PM
ENGINE ELECTRICAL DIAGNOSTICS - DIESEL
9 - 1125
•
When Monitored:
With the engine running and the EGR Airflow Control Valve Motor command off.
•
Set Condition:
The Engine Control Module (ECM) detects an open (K601) EGR Airflow Control Valve Control circuit for 0.5
second.
Possible Causes
INTERMITTENT DTC
(K601) EGR AIRFLOW CONTROL VALVE CONTROL CIRCUIT OPEN OR HIGH RESISTANCE
(K601) EGR AIRFLOW CONTROL VALVE CONTROL CIRCUIT SHORTED TO GROUND
(K604) EGR AIRFLOW CONTROL VALVE SIGNAL CIRCUIT OPEN OR HIGH RESISTANCE
(K604) EGR AIRFLOW CONTROL VALVE SIGNAL CIRCUIT SHORTED TO GROUND
EGR AIRFLOW CONTROL VALVE
ENGINE CONTROL MODULE (ECM)
Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. (Refer to 9 - ENGINE -
DIAGNOSIS AND TESTING)
Diagnostic Test
1.
DTC IS ACTIVE
Ignition on, engine not running.
With the scan tool, Clear DTCs in the Engine Control Module (ECM).
With the scan tool, actuate the EGR Airflow Control Valve at 100%.
Monitor the scan tool for at least two minutes.
With the scan tool, select View DTCs.
Is the status Active for this DTC?
Yes
>> Go To 2
No
>> Refer to the *CHECKING FOR AN INTERMITTENT DTC Diagnostic Procedure. (Refer to 9 - ENGINE -
DIAGNOSIS AND TESTING)
9 - 1126
ENGINE ELECTRICAL DIAGNOSTICS - DIESEL
PM
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