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Pinpoint Tests




Pinpoint Tests

PINPOINT TEST G1230417p1 : U201F11 TIRE PRESSURE MONITORING SYSTEM EXTERNAL RECEIVER DATA LINE CIRCUIT SHORT TO GROUND

G1230417t1 : U201F11 Verify External Receiver Data Line Circuit Short To Ground
1 Ignition OFF.
2 Disconnect the Tire Pressure Monitoring System Receiver electrical connector, C3MC45.
3 Measure the resistance between.





- Is the resistance less than 5 Ohms?

->Yes
GO to Pinpoint Test G1230417t2.

->No
GO to Pinpoint Test G1230417t3.

G1230417t2 : U201F11 Check The External Receiver Data Line Circuit For Short Circuit To Ground
1 Disconnect the Central Junction Box electrical connector, C3BP01A.
2 Measure the resistance between.





- Is the resistance less than 5 Ohms?

->Yes
REPAIR the short circuit in wiring harness.

->No
GO to Pinpoint Test G1230417t4.

G1230417t3 : U201F11 Check The Tire Pressure Monitoring System External Receiver For Short Circuit To Ground
1 Reconnect the Tire Pressure Monitoring System Receiver electrical connector, C3MC45.
2 Using manufacturer approved diagnostic system run On Demand Self Test (0x0202).
- Is the DTC U201F11 set?

->Yes
Replace Tire Pressure Monitoring Receiver.

->No
Investigate possible cause of intermittent failure.

G1230417t4 : U201F11 Check The Central Junction Box For Short Circuit To Ground
1 Reconnect the Central Junction Box electrical connector, C3BP01A.
2 Reconnect the Tire Pressure Monitoring System Receiver electrical connector, C3MC45.
3 Using manufacturer approved diagnostic system run On Demand Self Test (0x0202).
- Is the DTC U201F11 set?

->Yes
Replace Central Junction Box.

->No
Investigate possible cause of intermittent failure.

PINPOINT TEST G1230417p2 : U201F12 TIRE PRESSURE MONITORING SYSTEM EXTERNAL RECEIVER DATA LINE CIRCUIT SHORT TO POWER

G1230417t5 : U201F12 Verify External Receiver Data Line Circuit Short To Power
1 Ignition OFF.
2 Disconnect the Tire Pressure Monitoring System Receiver electrical connector, C3MC45.
3 Measure the resistance between





- Is the resistance less than 5 Ohms?

->Yes
GO to Pinpoint Test G1230417t6.

->No
GO to Pinpoint Test G1230417t7.

G1230417t6 : U201F12 Check The External Receiver Data Line Circuit For Short Circuit To Power
1 Disconnect the Central Junction Box electrical connector, C3BP01A.
2 Measure the resistance between





- Is the resistance less than 5 Ohms?

->Yes
REPAIR the short circuit in wiring harness.

->No
GO to Pinpoint Test G1230417t8.

G1230417t7 : U201F12 Check The Tire Pressure Monitoring System External Receiver For Short Circuit To Power
1 Reconnect the Tire Pressure Monitoring System Receiver electrical connector, C3MC45.
2 Using manufacturer approved diagnostic system run On Demand Self Test (0x0202).
- Is the DTC U201F12 set?

->Yes
Replace Tire Pressure Monitoring Receiver.

->No
Investigate possible cause of intermittent failure.

G1230417t8 : U201F12 Check The Central Junction Box For Short Circuit To Power
1 Reconnect the Central Junction Box electrical connector, C3BP01A.
2 Reconnect the Tire Pressure Monitoring System Receiver electrical connector, C3MC45.
3 Using manufacturer approved diagnostic system run On Demand Self Test (0x0202).
- Is the DTC U201F12 set?

->Yes
Replace Central Junction Box.

->No
Investigate possible cause of intermittent failure.

PINPOINT TEST G1230417p3 : U201F87 TIRE PRESSURE MONITORING SYSTEM EXTERNAL RECEIVER DATA LINE MISSING MESSAGE

G1230417t9 : U201F87 Verify External Receiver Data Line Missing Message
1 Using manufacturer approved diagnostic system run On Demand Self Test (0x0202).
- Is the DTC U201F87 set?

->Yes
GO to Pinpoint Test G1230417t10.

->No
Investigate possible cause of intermittent failure.

G1230417t10 : U201F87 Check External Receiver Data Line Circuit
1 Ignition OFF.
2 Disconnect the Tire Pressure Monitoring System Receiver electrical connector, C3MC45.
3 Disconnect the Central Junction Box electrical connector, C3BP01A.
4 Measure the resistance between.





- Is the resistance less than 5 ohms?

->Yes
GO to Pinpoint Test G1230417t11.

->No
REPAIR the high resistance/open circuit in wiring harness.

G1230417t11 : U201F87 Check External Receiver
1 Reconnect the Central Junction Box electrical connector, C3BP01A.
2 Reconnect the Tire Pressure Monitoring System Receiver electrical connector, C3MC45.
3 Using manufacturer approved diagnostic system run On Demand Self Test (0x0202).
- Is the DTC U201F87 set?

->Yes
Replace Tire Pressure Monitoring Receiver.
GO to Pinpoint Test G1230417t12.

->No
Investigate possible cause of intermittent failure.

G1230417t12 : U201F87 Check Central Junction Box.
1 Using manufacturer approved diagnostic system run On Demand Self Test (0x0202).
- Is the DTC U201F87 set?

->Yes
Replace Central Junction Box.

->No
Test is complete. No further action is required.

PINPOINT TEST G1230417p4 : C1A5693, C1A5893, C1A6093, C1A6293 DEFECTIVE RUNNING TIRE LOW PRESSURE SENSOR OR RECEIVER

G1230417t13 : C1A5693, C1A5893, C1A6093, C1A6293 Check for additional DTCs
1 Using manufacturer approved diagnostic system check for additional DTCs C1A5693, C1A5893, C1A6093, C1A6293, with identical time stamps.
- Have all four DTCs logged with identical time stamps in the Central Junction Box?

->Yes
Diagnose and fix DTCs related to the tire pressure monitoring receiver.

->No
Using manufacturer approved diagnostic system, perform diagnostic routine to verify reception of all tire low pressure sensors, by carrying out 'Tire Pressure Monitoring System wheel unit & receiver reception test' from set up and configuration application and complete remedial actions.

PINPOINT TEST G1230417p5 : C1D1800 LOCALIZATION FAILURE

G1230417t14 : C1D1800 Establish the locations of the tire low pressure sensor localization failures
1
NOTE:
To clear or reset information read in datalogger signal 'Unsuccessful wheel position triggering statistic' (0x4149) Use manufacturer approved diagnostic system and carry out 'Reset/ Clear Specified Function' (0x040E) from Special Applications.
Using manufacturer approved diagnostic system read datalogger signal 'Unsuccessful wheel position triggering statistic' (0x4149) to establish the locations of the tire low pressure sensor localization failures.
- Have the locations of the tire low pressure sensor localization failures been identified?

->Yes
GO to Pinpoint Test G1230417t15.

->No
Investigate possible cause of intermittent failure.

G1230417t15 : C1D1800 Check for additional LF initiator circuit DTCs
1 Using manufacturer approved diagnostic system check for additional DTCs C1A5712, C1A5714, C1A5912, C1A5914, C1A6112, C1A6114, C1A6312, C1A6314.
- Are any of the following DTCs logged C1A5712, C1A5714, C1A5912, C1A5914, C1A6112, C1A6114, C1A6312, C1A6314?

->Yes
Refer to the DTC Index. Check for possible causes for each of the logged DTCs and carry out the repair operations specified.

->No
GO to Pinpoint Test G1230417t16.

G1230417t16 : C1D1800 Check for additional tire low pressure sensor DTCs
1 Using manufacturer approved diagnostic system check for additional DTCs C1A5693, C1A5893, C1A6093, C1A6293, C1D2105.
- Are any of the following DTCs logged C1A5693, C1A5893, C1A6093, C1A6293, C1D2105?

->Yes
Refer to the DTC Index. Check for possible causes for each of the logged DTCs and carry out the repair operations specified.

->No
GO to Pinpoint Test G1230417t17.

G1230417t17 : C1D1800 Check initiators are correctly installed
1 Check for correct installation of Initiators for the locations identified.
- Are the Initiators correctly installed?

->Yes
GO to Pinpoint Test G1230417t18.

->No
Install Initiators to the correct locations.

G1230417t18 : C1D1800 Check for short circuit in initiator harness
1 Ignition OFF.
2 Disconnect the Central Junction Box electrical connector, C3BP01E. (Front LF Initiators).
3 Disconnect the Central Junction Box electrical connector, C3BP01G. (Rear LF Initiators).
4 Measure the resistance of Front Right Hand Initiator.





5 Measure the resistance of Front Left Hand Initiator.





6 Measure the resistance of Rear Right Hand Initiator.





7 Measure the resistance of Rear Left Hand Initiator.





- Are any of the Initiator resistance measurements less than 1 Ohm?

->Yes
REPAIR the short circuit as required.

->No
Install the correct tire low pressure sensor, of correct frequency, in accordance with that defined in the manufacturer approved diagnostic system new tire low pressure sensor application, to the position(s) identified. For additional information, refer to Tire Pressure Monitoring System (TPMS) Locations

PINPOINT TEST G1230417p6 : C1D2105 MISSING, INCOMPATIBLE OR DEFECTIVE RUNNING TIRE LOW PRESSURE SENSOR(S) OR RECEIVER

G1230417t19 : C1D2105 Check for correct wheel and tire assembly and tire low pressure sensors
1
NOTE:
As a visual check, a tire low pressure sensor has a metal valve stem rather than a rubber one and cannot be installed to a mini or space saver spare wheel.
Check that all full size running wheel and tire assemblies have tire low pressure sensors installed.
- Is a full size wheel and tire assembly with tire low pressure sensor installed to all running wheel positions?

->Yes
Using manufacturer approved diagnostic system, perform diagnostic routine to verify reception of all tire low pressure sensors, by carrying out 'Tire Pressure Monitoring System wheel unit & receiver reception test' from set up and configuration application and complete remedial actions.

->No
If agreed with the customer, install the correct wheel and tire assembly or tire low pressure sensor(s), of correct frequency, in accordance with that defined in the manufacturer approved diagnostic system new tire low pressure sensor application.
Note: If the datalogger signal 'Number Of Missing Tire Pressure Wheel Units' is 4 and the Instrument Panel Cluster displays text message 'Tire Pressure Monitoring Unavailable', the system has detected winter tire installation, as detailed in the owner's manual. Confirm why the vehicle has non-Tire Pressure Monitoring System wheel & tire assemblies installed before installing tire low pressure sensors, which are not to be claimed under vehicle warranty.

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