Pinpoint Test C: TR Sensor

Pinpoint Tests - OSC Equipped Vehicle

PINPOINT TEST C: TR SENSOR

NOTE: Refer to the Transmission Range (TR) Sensor Vehicle Harness Connector illustration within the Transaxle Connector Layouts Transaxle Connector Layouts procedure.

NOTE: Refer to the Transmission Range (TR) Sensor Diagnosis PID Chart within the Transaxle Connector Layouts Transaxle Connector Layouts procedure.

NOTE: DTC P0705 may also be set from an open ground in the tail lamp circuit. Check and repair tail lamp circuit as necessary.

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C1 VERIFY TR SENSOR ALIGNMENT


- Using a scan tool, view the TRD, TRL, TRN, TRP and TRR PIDs to determine if an internal fault is present in the Transmission Range (TR) sensor, refer to the Transmission Range (TR) Sensor Diagnostic PID Chart in Transaxle Connector Layouts Transaxle Connector Layouts.
- If an electrical issue exists in the TR sensor electrical circuit, 2 or more binary positions will show 1s.
- Verify TR sensor alignment.
- Is the TR sensor correctly aligned?

Yes
GO to C2.

No
ADJUST the TR sensor. TEST the system for normal operation.

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C2 VERIFY SELECTOR LEVER CABLE/LINKAGE ADJUSTMENT

- Verify that the selector lever cable/linkage is correctly adjusted. Refer to Automatic Transaxle/Transmission External Controls Adjustments.
- Is the selector lever cable/linkage correctly adjusted?

Yes
GO to C3.

No
ADJUST the selector lever cable/linkage REFER to Automatic Transaxle/Transmission External Controls Adjustments. TEST the system for normal operation.

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C3 CHECK THE TRANSAXLE POWER SUPPLY CIRCUIT


- Disconnect: TR Sensor C167.
- Ignition ON.
- Measure the voltage between TR sensor C167-1 and ground.




- Is the voltage greater than 10 volts?

Yes
GO to C5.

No
GO to C4.

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C4 CHECK PDB FUSE 26 (10A)

- Ignition ON.
- Check fuse: Power Distribution Box (PDB) 26 (10A).
- Is the resistance less than 5 ohms?

Yes
REPAIR circuit 15-TA18 (GN/OG) for an open. TEST the system for normal operation.

No
REPAIR circuit 15-TA18 (GN/OG) for a short to ground. TEST the system for normal operation.

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C5 CHECK THE VEHICLE HARNESS FOR A SHORT TO POWER


- Select PARK.
- Ignition OFF.
- Disconnect: PCM C175T.
- Ignition ON.
- Measure the voltage between TR sensor C167 pins 2, 3, 4, 5, 7 and 8 and ground using the following table:





- Is any voltage present?

Yes
REPAIR the circuit(s) for a short to power.

No
GO to C6.

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C6 CHECK THE VEHICLE HARNESS FOR A SHORT TO GROUND


- Measure the resistance between TR sensor C167 pins 2, 3, 4, 5, 7 and 8 and ground using the following table:





- Is the resistance greater than 10,000 ohms?

Yes
GO to C7.

No
REPAIR the circuit(s) for a short to ground. TEST the system for normal operation.

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C7 CHECK TR SENSOR CIRCUITRY FOR AN OPEN CIRCUIT

- Measure the resistance between TR sensor C167 pins 2, 3, 4, 5, 7 and 8 and the corresponding PCM C175T pin.





- Is the resistance less than 5 ohms?

Yes
GO to C8.

No
REPAIR the circuit(s) for an open. TEST the system for normal operation.

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C8 CHECK THE TR SENSOR RESISTANCE


- Measure the resistance between TR sensor C167 pins, component side, using the following table:





- Are the resistances less than 1,000 ohms?

Yes
INSTALL a new PCM. REFER to Electronic Engine Controls Service and Repair.

No
INSTALL a new TR sensor. REFER to Transmission Range (TR) Sensor Service and Repair. TEST the system for normal operation.


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