Dodge Caliber. Manual — part 132
C1232–DRIVE TEST: PRESSURE SENSOR
For a complete wiring diagram Refer to Section 8W.
•
When Monitored:
During the Drive Test.
•
Set Condition:
If the Pressure Sensor fails to activate.
Possible Causes
HYDRAULIC / BRAKE SYSTEM COMPONENT INSTALLATION
INTEGRATED CONTROL UNIT
PRESSURE SENSOR (HYDRAULIC CONTROL UNIT)
Diagnostic Test
1.
CHECK FOR A DTC C1232–DRIVE TEST: PRESSURE SENSOR
NOTE: This DTC must be active for the results of this test to be valid.
Turn the ignition on.
With the scan tool, read and record DTCs.
With the scan tool, read and record Freeze Frame information.
Perform ECU initialization with drive test. Refer to ABS VERIFICATION TEST. (Refer to 5 - BRAKES - STANDARD
PROCEDURE).
Start the engine.
With the scan tool, read and record DTCs.
Does the scan tool display: C1232–DRIVE TEST: PRESSURE SENSOR?
Yes
>> Go To 2
No
>> Refer to the INTERMITTENT CONDITION diagnostic procedure.
Refer to the ABS-INTERMITTENT CONDITION TEST. (Refer to 5 - BRAKES - DIAGNOSIS AND TEST-
ING)
2.
CHECK HYDRAULIC SYSTEM & BRAKE SYSTEM COMPONENT INSTALLATION & FUNCTION
Verify that the Anti-Lock Brakes Module and Hydraulic Control Unit are properly installed.
Verify that the hydraulic system is properly filled and bled.
Verify that the brake system components are installed and functioning properly.
Were any problems found?
Yes
>> Repair as necessary.
Perform ABS VERIFICATION TEST. (Refer to 5 - BRAKES - STANDARD PROCEDURE).
No
>> Clean contacts in HCU first if problem reoccurs replace the Integrated Control Unit in accordance with
the Service Information.
Perform ABS VERIFICATION TEST. (Refer to 5 - BRAKES - STANDARD PROCEDURE).
PM
BRAKES - ABS ELECTRICAL DIAGNOSTICS
5 - 229
C1234–DRIVE TEST: SENSOR CLUSTER INSTALLATION
For a complete wiring diagram Refer to Section 8W.
•
When Monitored:
During the Drive Test.
•
Set Condition:
If the Anti-Lock Brakes Module detects implausible Dynamics Sensor data.
Possible Causes
DYNAMICS SENSOR INSTALLATION
DYNAMICS SENSOR
ANTI-LOCK BRAKES MODULE
Diagnostic Test
1.
CHECK FOR A DTC C1234–DRIVE TEST: SENSOR CLUSTER INSTALLATION
NOTE: This DTC must be active for the results of this test to be valid.
Turn the ignition on.
With the scan tool, read and record DTCs.
With the scan tool, read and record Freeze Frame information.
Perform ECU initialization with drive test. Refer to ABS VERIFICATION TEST. (Refer to 5 - BRAKES - STANDARD
PROCEDURE).
Start the engine.
With the scan tool, read and record DTCs.
Does the scan tool display: C1234–DRIVE TEST: SENSOR CLUSTER INSTALLATION?
Yes
>> Go To 2
No
>> Refer to the INTERMITTENT CONDITION diagnostic procedure.
Refer to the ABS-INTERMITTENT CONDITION TEST. (Refer to 5 - BRAKES - DIAGNOSIS AND TEST-
ING)
2.
CHECK THE DYNAMICS SENSOR INSTALLATION
NOTE: Dynamics Sensor installation and mounting bolt torque is crucial for proper operation.
Turn the ignition off.
Check the Dynamics Sensor for damaged, modified, and bent mounting brackets.
Check the Dynamics Sensor mounting bolts for a loose or over tightened condition.
Were any problems found?
Yes
>> Repair as necessary.
Perform ABS VERIFICATION TEST. (Refer to 5 - BRAKES - STANDARD PROCEDURE).
No
>> Replace the Dynamics Sensor in accordance with the Service Information.
Perform ABS VERIFICATION TEST. (Refer to 5 - BRAKES - STANDARD PROCEDURE).
5 - 230
BRAKES - ABS ELECTRICAL DIAGNOSTICS
PM
C1238-DRIVE TEST: UNSUCCESSFUL
For a complete wiring diagram Refer to Section 8W.
•
When Monitored:
During the Drive Test.
•
Set Condition:
If the Anti-Lock Brakes Module detects a fault with the Steering Angle Sensor, the Pressure Sensor, or the
Dynamics Sensor.
Possible Causes
STEERING ANGLE SENSOR
PRESSURE SENSOR
DYNAMICS SENSOR
ANTI-LOCK BRAKES MODULE
Diagnostic Test
1.
DIAGNOSE & REPAIR ALL DTCs
Repair
Diagnose and repair all DTCs.
PM
BRAKES - ABS ELECTRICAL DIAGNOSTICS
5 - 231
C123A–ESP SYSTEM SENSORS CALIBRATION
For a complete wiring diagram Refer to Section 8W.
•
When Monitored:
Once per ignition cycle.
•
Set Condition:
If the calculated checksum does not match the stored checksum.
Possible Causes
ANTI-LOCK BRAKES MODULE
Diagnostic Test
1.
INITIALIZE ANTI-LOCK BRAKES MODULE
Initialize ECU refer to ABS VERIFICATION TEST. (Refer to 5 - BRAKES - STANDARD PROCEDURE).
Does this DTC reset?
Yes
>> Replace the Anti-Lock Brake Module in accordance with the Service Information.
Perform ABS VERIFICATION TEST. (Refer to 5 - BRAKES - STANDARD PROCEDURE).
No
>> Test complete.
5 - 232
BRAKES - ABS ELECTRICAL DIAGNOSTICS
PM
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