Part 1

Pinpoint Tests

PINPOINT TEST G978698p1 : TPMS EXTERNAL RECEIVER DATA LINE CIRCUIT

G978698t1 : Check the external receiver data line circuit for short circuit to ground
1 Key off.
2 Disconnect the TPMS external receiver electrical connector, C3MC45.
3 Measure the resistance between:

- Is the resistance less than 10,000 ohms?

->Yes
GO to Pinpoint Test G978698t7.

->No
GO to Pinpoint Test G978698t2.

G978698t2 : Check the external receiver data line circuit for short circuit to power
1 Measure the resistance between:

- Is the resistance less than 10,000 ohms?

->Yes
GO to Pinpoint Test G978698t8.

->No
GO to Pinpoint Test G978698t9.

G978698t7 : Check whether the short circuit is in the harness or the module
1 Disconnect the TPMS module connector, C3MC39B.
2 Measure the resistance between:

- Is the resistance less than 10,000 ohms?

->Yes
REPAIR the short circuit. For additional information, refer to the wiring diagram. Clear the DTC and test the system for normal operation.

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

G978698t8 : Check whether the short circuit is in the harness or the module
1 Disconnect the TPMS module connector, C3MC39B.
2 Measure the resistance between:

- Is the resistance less than 10,000 ohms?

->Yes
REPAIR the short circuit. For additional information, refer to the wiring diagram. Clear the DTC and test the system for normal operation.

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

G978698t9 : Check the external receiver data line circuit for high resistance
1 Measure the resistance between:

- Is the resistance greater than 5 ohms?

->Yes
REPAIR the high resistance. For additional information, refer to the wiring diagram. Clear the DTC and test the system for normal operation.

->No
INSTALL a new external receiver. For additional information, refer to Tire Pressure Monitoring System Receiver Service and Repair

PINPOINT TEST G978698p2 : FRONT LEFT LOW-FREQUENCY INITIATOR CIRCUIT

G978698t3 : Check the initiator return circuit for short circuit to ground
1 Key off.
2 Disconnect the left hand front low-frequency initiator electrical connector, C1MC40.
3

4 Measure the resistance between:

- Is the resistance less than 10,000 ohms?

->Yes
GO to Pinpoint Test G978698t13.

->No
GO to Pinpoint Test G978698t10.

G978698t10 : Check the initiator negative circuit for short circuit to power
1 Measure the resistance between:

- Is the resistance less than 10,000 ohms?

->Yes
GO to Pinpoint Test G978698t14.

->No
GO to Pinpoint Test G978698t11.

G978698t11 : Check the initiator power circuit for short circuit to ground
1 Measure the resistance between:

- Is the resistance less than 10,000 ohms?

->Yes
GO to Pinpoint Test G978698t15.

->No
GO to Pinpoint Test G978698t12.

G978698t12 : Check the initiator power circuit for short circuit to power
1 Measure the resistance between:

- Is the resistance less than 10,000 ohms?

->Yes
GO to Pinpoint Test G978698t16.

->No
GO to Pinpoint Test G978698t17.

G978698t13 : Check whether the short circuit is in the harness or the module
1 Disconnect the TPMS module connector, C3MC39A.
2

3 Measure the resistance between:

- Is the resistance less than 10,000 ohms?

->Yes
REPAIR the short circuit. This circuit contains intermediate connector, C13-B. For additional information, refer to the wiring diagram. Clear the DTC and test the system for normal operation.

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

G978698t14 : Check whether the short circuit is in the harness or the module
1 Disconnect the TPMS module connector, C3MC39A.
2

3 Measure the resistance between:

- Is the resistance less than 10,000 ohms?

->Yes
REPAIR the short circuit. This circuit contains intermediate connector, C13-B. For additional information, refer to the wiring diagram. Clear the DTC and test the system for normal operation.

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

G978698t15 : Check whether the short circuit is in the harness or the module
1 Disconnect the TPMS module connector, C3MC39A.
2

3 Measure the resistance between:

- Is the resistance less than 10,000 ohms?

->Yes
REPAIR the short circuit. This circuit contains intermediate connector, C13-B. For additional information, refer to the wiring diagram. Clear the DTC and test the system for normal operation.

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

G978698t16 : Check whether the short circuit is in the harness or the module
1 Disconnect the TPMS module connector, C3MC39A.
2

3 Measure the resistance between:

- Is the resistance less than 10,000 ohms?

->Yes
REPAIR the short circuit. This circuit contains intermediate connector, C13-B. For additional information, refer to the wiring diagram. Clear the DTC and test the system for normal operation.

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

G978698t17 : Check the initiator return 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, C13-B. For additional information, refer to the wiring diagram. Clear the DTC and test the system for normal operation.

->No
INSTALL a new left hand front low-frequency initiator. For additional information, refer to Tire Pressure Monitoring System Front Antenna

PINPOINT TEST G978698p3 : FRONT RIGHT LOW FREQUENCY INITIATOR CIRCUIT

G978698t4 : Check the initiator return circuit for short circuit to ground
1 Key off.
2 Disconnect the right hand front low-frequency initiator electrical connector, C1MC41.
3

Measure the resistance between:

- Is the resistance less than 10,000 ohms?

->Yes
GO to Pinpoint Test G978698t22.

->No
GO to Pinpoint Test G978698t19.

G978698t19 : Check the initiator return circuit for short circuit to power
1 Measure the resistance between:

- Is the resistance less than 10,000 ohms?

->Yes
GO to Pinpoint Test G978698t23.

->No
GO to Pinpoint Test G978698t20.

G978698t20 : Check the initiator power circuit for short circuit to ground
1 Measure the resistance between:

- Is the resistance less than 10,000 ohms?

->Yes
GO to Pinpoint Test G978698t24.

->No
GO to Pinpoint Test G978698t21.

G978698t21 : Check the initiator power circuit for short circuit to power
1 Measure the resistance between:

- Is the resistance less than 10,000 ohms?

->Yes
GO to Pinpoint Test G978698t25.

->No
GO to Pinpoint Test G978698t26.

G978698t22 : Check whether the short circuit is in the harness or the module
1 Disconnect the TPMS 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, C13-B. For additional information, refer to the wiring diagram. Clear the DTC and test the system for normal operation.

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

G978698t23 : Check whether the short circuit is in the harness or the module
1 Disconnect the TPMS 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, C13-B. For additional information, refer to the wiring diagram. Clear the DTC and test the system for normal operation.

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

G978698t24 : Check whether the short circuit is in the harness or the module
1 Disconnect the TPMS 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, C13-B. For additional information, refer to the wiring diagram. Clear the DTC and test the system for normal operation.

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

G978698t25 : Check whether the short circuit is in the harness or the module
1 Disconnect the TPMS 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, C13-B. For additional information, refer to the wiring diagram. Clear the DTC and test the system for normal operation.

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

G978698t26 : Check the initiator return 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, C13-B. For additional information, refer to the wiring diagram. Clear the DTC and test the system for normal operation.

->No
INSTALL a new right hand front low-frequency initiator. For additional information, refer to Tire Pressure Monitoring System Front Antenna

PINPOINT TEST G978698p4 : REAR LEFT LOW-FREQUENCY INITIATOR CIRCUIT

G978698t5 : Check the initiator return circuit for short circuit to ground
1 Key off.
2 Disconnect the left hand rear low-frequency initiator electrical connector, C4MC42.
3

Measure the resistance between:

- Is the resistance less than 10,000 ohms?

->Yes
GO to Pinpoint Test G978698t31.

->No
GO to Pinpoint Test G978698t28.

G978698t28 : Check the initiator return circuit for short circuit to power
1 Measure the resistance between:

- Is the resistance less than 10,000 ohms?

->Yes
GO to Pinpoint Test G978698t32.

->No
GO to Pinpoint Test G978698t29.

G978698t29 : Check the initiator power circuit for short circuit to ground
1 Measure the resistance between:

- Is the resistance less than 10,000 ohms?

->Yes
GO to Pinpoint Test G978698t33.

->No
GO to Pinpoint Test G978698t30.

G978698t30 : Check the initiator power circuit for short circuit to power
1 Measure the resistance between:

- Is the resistance less than 10,000 ohms?

->Yes
GO to Pinpoint Test G978698t34.

->No
GO to Pinpoint Test G978698t35.