Part 2

Pinpoint Tests

G1265208t42 : Check whether the short circuit is in the harness or the module
1 Disconnect the Tire Pressure Monitoring System module connector, C3MC39A.
2

Measure the resistance between:

- Is the resistance less than 10,000 ohms?

->Yes
REPAIR the short circuit. This circuit contains intermediate connector, C44-Y. For additional information, refer to the wiring diagram. Clear the DTC and run an On Demand Self Test (ODST) using the manufacturer approved diagnostic system to confirm rectification.

->No
INSTALL a new Tire Pressure Monitoring System module. For additional information, refer to Tire Pressure Monitoring System (TPMS) Module Service and Repair

G1265208t43 : Check the initiator circuit for high resistance
1 Measure the resistance between:

- Is the resistance greater than 5 ohms?

->Yes
REPAIR the high resistance circuit. This circuit contains intermediate connector, C44-Y. For additional information, refer to the wiring diagram. Clear the DTC and run an On Demand Self Test (ODST) using the manufacturer approved diagnostic system to confirm rectification.

->No
INSTALL a new rear right hand low-frequency initiator. For additional information, refer to Tire Pressure Monitoring System (TPMS) Rear Antenna Tire Pressure Monitoring System Rear Antenna

PINPOINT TEST G1265208p6 : MISSING, INCOMPATIBLE OR DEFECTIVE RUNNING TIRE LOW PRESSURE SENSOR OR RECEIVER

G1265208t45 : Check for correct wheel and tire assembly and tire low pressure sensor
1 Establish that a full size running wheel and tire assembly has a tire low pressure sensor installed. As a visual confirmation, a tire low pressure sensor has a metal valve stem rather than a rubber one and cannot be installed to a mini/space saver spare wheel.
- Is a full size wheel and tire assembly with tire low pressure sensor installed?

->Yes
GO to Pinpoint Test G1265208t46.

->No
Install the correct wheel and tire assembly or tire low pressure sensor, of correct frequency, in accordance with that defined in the manufacturer approved diagnostic system new tire low pressure sensor application.

G1265208t46 : Check for additional DTCs
1 Remove the Tire Pressure Monitoring System power supply fuse and re-install it. Clear DTCs and leave the vehicle stationary for 15 minutes, then drive it at a speed greater than 15.5 mph (25 kph) continuously for at least 10 minutes.Note: If the vehicle speed drops below this value, the drive time to complete the test will need to be increased.
The use of the manufacturer approved diagnostic system, and the datalogger signal 'Tire pressure monitor system status - learn mode status' will verify the completion of the test when the value returns to 'Inactive'.
2 Check for additional DTCs C1A5631, C1A5831, C1A6031, C1A6231, with identical time stamps.
- Have all four DTCs logged with identical time stamps in the tire pressure monitoring system module?

->Yes
Replace the tire pressure monitoring system radio frequency receiver. For additional information, refer to Tire Pressure Monitoring System (TPMS) Receiver Service and Repair

->No
GO to Pinpoint Test G1265208t47.

G1265208t47 : Verify the position of the defective tire low pressure sensor
1 Check tire pressure monitoring system DTCs.
- Are any C1AXX31 DTCs logged?

->Yes
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 identified by the logged DTC. For additional information, refer to Tire Low Pressure Sensor Service and Repair

->No
No further action is required. Note: The use of the manufacturer approved diagnostic system, and the datalogger signal 'Tire pressure monitor system status - learn completed successfully' will verify the successful completion of the test.

PINPOINT TEST G1265208p7 : LOCALIZATION FAILURE

G1265208t48 : Check for additional DTCs
1 Check for additional DTCs: C1A5711, C1A5712, C1A5713. C1A5911, C1A5912, C1A5913, C1A6111, C1A6112, C1A6113, C1A6311, C1A6312, C1A6313.
- Are any of the DTCs listed above also logged?

->Yes
Refer to the DTC Index and remedial actions.

->No
GO to Pinpoint Test G1265208t49.

G1265208t49 : Check for additional DTCs
1 Check for additional DTCs: C1A5631, C1A5831, C1A6031 or C1A6231
- Is a C1A5631, C1A5831, C1A6031 or C1A6231 DTC also logged?

->Yes
Refer to the DTC Index and remedial actions.

->No
GO to Pinpoint Test G1265208t50.

G1265208t50 : Check Initiator installation
1 Check for correct installation of Initiator. For additional information, refer to Tire Pressure Monitoring System (TPMS) Front Antenna Tire Pressure Monitoring System Front Antenna
For additional information, refer to Tire Pressure Monitoring System (TPMS) Rear Antenna Tire Pressure Monitoring System Rear Antenna
- Is the Initiator correctly installed?

->Yes
GO to Pinpoint Test G1265208t51.

->No
Rectify as required. For additional information, refer to Tire Pressure Monitoring System (TPMS) Front Antenna Tire Pressure Monitoring System Front Antenna
For additional information, refer to Tire Pressure Monitoring System (TPMS) Rear Antenna Tire Pressure Monitoring System Rear Antenna

G1265208t51 : Check for short circuit in Initiator harness
1 Locate and remove module blue connector L.
2 Measure the resistance across the relevant initiator circuits within the blue connector.
- Is the resistance less than 1 Ohm?

->Yes
A value of less than 1 Ohm indicates a short circuit, rectify 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 identified by the logged DTC. For additional information, refer to Tire Low Pressure Sensor Service and Repair

PINPOINT TEST G1265208p8 : SPARE TIRE LOW PRESSURE SENSOR NO OPERATION

G1265208t52 : Establish the type of spare wheel and tire assembly installed
1 Establish the type of spare wheel and tire assembly Installed.
- Is the spare wheel a mini/space saver type?

->Yes
Tire low pressure sensors are not installed to mini/space-saver spare wheels. Tire low pressure sensors are installed to full size spare wheels only. The DTC is to be ignored and no repair action is required.

->No
GO to Pinpoint Test G1265208t53.

G1265208t53 : Establish that the spare wheel has a tire low pressure sensor installed
1 Establish that the spare wheel has a tire low pressure sensor installed, considering the following additional information:
- a) As a visual confirmation, the tire low pressure sensor has a metal valve stem rather than a rubber one.
- Is a tire low pressure sensor installed?

->Yes
GO to Pinpoint Test G1265208t54.

->No
A new spare tire low pressure sensor should be installed. Note: Refer to the note above the DTC index about replacing components which may remain under manufacturer warranty. Refer to the relevant section of this product.

G1265208t54 : Confirm operation of the spare wheel pressure sensor
1 Deflate the spare tire, in close proximity to the vehicle, until it is completely deflated.
2 Complete an ignition cycle to ignition on and verify that the instrument cluster reports a spare tire pressure warning for approximately 20 seconds.
3 Re-inflate the spare tire, in close proximity to the vehicle, to the recommended spare tire pressure.
4 Complete an ignition cycle to ignition on and verify that the instrument cluster no longer reports a spare tire pressure warning.
- Does the instrument cluster continue to report a spare tire pressure warning?

->Yes
GO to Pinpoint Test G1265208t55.

->No
No repair action is required. It is possible that the customer may have placed items in the vehicle's luggage compartment that prevented correct RF reception.

G1265208t55 : Verify that the spare Tire Low Pressure Sensor ID has been correctly programmed to the module
1 Remove tire low pressure sensor. Record the 8 character hexadecimal ID written on the casing.
2 Use the approved diagnostic system to read the spare tire sensor ID from the module. Refer to the relevant procedure in this product.
3 Compare the IDs from steps 1 & 2.
- Do the IDs match?

->Yes
Replace the spare tire low pressure sensor. Refer to the relevant installation section in this product.
The identification for the sensor must be programmed into the tire pressure monitoring system module using the manufacturer approved diagnostic system. The identification code is provided on a label with the complete assembly and is also printed on the casing of each sensor.

->No
Program the spare tire sensor ID, recorded in step 1, to the module using the approved diagnostic system. The identification code is provided on a label with the complete assembly and is also printed on the casing of each sensor.
Repeat test to ensure correct operation.
GO to Pinpoint Test G1265208t54.

PINPOINT TEST G1265208p9 : C1D1912 TIRE PRESSURE MONITORING SYSTEM EXTERNAL RECEIVER DATA LINE CIRCUIT SHORT TO POWER

G1265208t56 : C1D1912 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 G1265208t57.

->No
GO to Pinpoint Test G1265208t58.

G1265208t57 : C1D1912 Check The External Receiver Data Line Circuit For Short Circuit To Power
1 Disconnect the Tire Pressure Monitoring System Control Module electrical connector, C3MC39B.
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 G1265208t59.

G1265208t58 : C1D1912 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 C1D1912 set?

->Yes
Replace Tire Pressure Monitoring Receiver.

->No
Investigate possible cause of intermittent failure.

G1265208t59 : C1D1912 Check The Tire Pressure Monitoring System Control Module For Short Circuit To Power
1 Reconnect the Tire Pressure Monitoring System Control Module electrical connector, C3MC39B.
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 C1D1912 set?

->Yes
Replace Tire Pressure Monitoring System Control Module.

->No
Investigate possible cause of intermittent failure.

PINPOINT TEST G1265208p10 : C1D1987 TIRE PRESSURE MONITORING SYSTEM EXTERNAL RECEIVER DATA LINE MISSING MESSAGE

G1265208t60 : C1D1987 Verify External Receiver Data Line Missing Message
1 Using manufacturer approved diagnostic system run On Demand Self Test (0x0202).
- Is the DTC C1D1987 set?

->Yes
GO to Pinpoint Test G1265208t61.

->No
GO to Pinpoint Test G1265208t64.

G1265208t61 : C1D1987 Check External Receiver Data Line Circuit
1 Ignition off.
2 Disconnect the Tire Pressure Monitoring System Receiver electrical connector, C3MC45.
3 Disconnect the Tire Pressure Monitoring System Control Module electrical connector, C3MC39B.
4 Measure the resistance between

- Is the resistance less than 5 ohms?

->Yes
GO to Pinpoint Test G1265208t62.

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

G1265208t62 : C1D1987 Check External Receiver
1 Reconnect the Tire Pressure Monitoring System Control Module electrical connector, C3MC39B.
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 C1D1987 set?

->Yes
Replace Tire Pressure Monitoring Receiver.
GO to Pinpoint Test G1265208t63.

->No
Investigate possible cause of intermittent failure.

G1265208t63 : C1D1987 Check Tire Pressure Monitoring System Control Module
1 Using manufacturer approved diagnostic system run On Demand Self Test (0x0202).
- Is the DTC C1D1987 set?

->Yes
Replace Tire Pressure Monitoring System Control Module.

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

G1265208t64 : C1D1987 Check Wheels Have Tire Sensors Installed
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/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
GO to Pinpoint Test G1265208t65.

->No
If agreed with the customer install correct tire low pressure sensors in accordance with that defined in the manufacturer approved diagnostic system new tire low pressure sensor application, as required.
Note: 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.

G1265208t65 : C1D1987 Check Tire Sensor Compatibility To Tire Pressure Monitoring System Receiver
1 Remove tire low pressure sensor from 1 wheel.
2 Verify the tire low pressure sensor part number from the information on the casing.
- Is the tire low pressure sensor the correct part for the vehicle?

->Yes
Replace Tire Pressure Monitoring Receiver.
Carry out the following to verify repair.
Remove the Tire Pressure Monitoring System power supply fuse and re-install it. Clear DTCs and leave the vehicle stationary for 15 minutes, then drive it at a speed greater than 15.5 mph (25 kph) continuously for at least 10 minutes.
Note: If the vehicle speed drops below this value, the drive time to complete the test will need to be increased. The use of the manufacturer approved diagnostic system, and the datalogger signal 'Tire pressure monitor system status - learn mode status' will verify the completion of the test when the value returns to 'Inactive'.

->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.
Note: Confirm why the vehicle has incorrect Tire Pressure Monitoring System wheel & tire assemblies installed before installing tire low pressure sensors, which are not to be claimed under vehicle warranty.