Dodge Caliber. Manual — part 971
9.
(B215) BRAKE SWITCH SIGNAL 2 CIRCUIT OPEN
Measure the resistance of the (B215) Brake Switch Signal 2 circuit
between the Stop Lamp Switch harness connector and the ECM har-
ness connector.
Is the resistance below 10.0 ohms?
Yes
>> Go To 10
No
>> Repair the (B215) Brake Switch Signal 2 circuit for an open.
Perform the ECM Verification Test Ver. 1. (Refer to 9 -
ENGINE - DIAGNOSIS AND TESTING)
10.
ENGINE CONTROL MODULE - BRAKE SWITCH SIGNAL 2
If there are no possible causes remaining, view repair.
Repair
Replace and program the Engine Control Module in accordance with the Service Information.
Perform the ECM Verification Test Ver. 1. (Refer to 9 - ENGINE - DIAGNOSIS AND TESTING)
11.
(A924) FUSED B+ CIRCUIT OPEN
Turn the ignition off.
Disconnect the Stop Lamp Switch harness connector.
Using a 12-volt test light connected to ground, check the (A924) Fused
B+ circuit.
Does the test light illuminate brightly?
Yes
>> Go To 12
No
>> Repair the (A924) Fused B+ circuit for an open.
Perform the ECM Verification Test Ver. 1. (Refer to 9 -
ENGINE - DIAGNOSIS AND TESTING)
PM
ENGINE ELECTRICAL DIAGNOSTICS - DIESEL
9 - 1171
12.
STOP LAMP SWITCH - BRAKE SWITCH SIGNAL 1 OPEN
Turn the ignition on.
While monitoring the BRAKE SWITCH SIGNAL 1 status with the scan tool, connect a jumper wire between the
Brake Switch Signal 1 circuit and the Fused B(+) circuit.
Does the scan tool display change from RELEASED to PRESSED?
Yes
>> Adjust or replace the Stop Lamp Switch in accordance with the Service Information.
Perform the ECM Verification Test Ver. 1. (Refer to 9 - ENGINE - DIAGNOSIS AND TESTING)
No
>> Go To 13
13.
(B15) BRAKE SWITCH SIGNAL 1 CIRCUIT SHORTED TO VOLTAGE
Turn the ignition off.
Disconnect the ECM harness connectors.
Remove the Main Relay.
Connect a jumper wire between cavity B7 and cavity B9 of the Main
Relay connector.
Turn the ignition on.
Measure the voltage between the (B15) Brake Switch Signal 1 circuit
and ground.
Is the voltage above 1.0 volt?
Yes
>> Repair the (B15) Brake Switch Signal 1 circuit for a short to
voltage.
Perform the ECM Verification Test Ver. 1. (Refer to 9 -
ENGINE - DIAGNOSIS AND TESTING)
No
>> Go To 14
14.
(B15) BRAKE SWITCH SIGNAL 1 CIRCUIT OPEN
NOTE: Remove the jumper wire.
Turn the ignition off.
Measure the resistance of the (B15) Brake Switch Signal 1 circuit
between the Stop Lamp Switch harness connector and the ECM har-
ness connector.
Is the resistance below 10.0 ohms?
Yes
>> Replace and program the Engine Control Module in accor-
dance with the Service Information.
Perform the ECM Verification Test Ver. 1. (Refer to 9 -
ENGINE - DIAGNOSIS AND TESTING)
No
>> Repair the (B15) Brake Switch Signal 1 circuit for an open.
Perform the ECM Verification Test Ver. 1. (Refer to 9 -
ENGINE - DIAGNOSIS AND TESTING)
9 - 1172
ENGINE ELECTRICAL DIAGNOSTICS - DIESEL
PM
P0574–CRUISE CONTROL SYSTEM-VEHICLE SPEED TOO HIGH
•
When Monitored:
With the ignition on.
•
Set Condition:
The vehicle speed is above 250 kph for 0.5 second.
Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding.
Diagnostic Test
1.
DTC EXPLANATION
NOTE: This DTC indicates that the vehicle speed has gone above the upper limit of speed control function.
View Repair.
Yes
>>
Test Complete.
PM
ENGINE ELECTRICAL DIAGNOSTICS - DIESEL
9 - 1173
P0578-SPEED CONTROL SWITCH 1 STUCK
For a complete wiring diagram Refer to Section 8W
9 - 1174
ENGINE ELECTRICAL DIAGNOSTICS - DIESEL
PM
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