Pinpoint Test C: TR Sensor
4F27E
Pinpoint Tests
PINPOINT TEST C: TR SENSOR
NOTE: Refer to the Transmission Range (TR) Sensor Vehicle Harness Connector illustration Transaxle Connector Layouts Symptom Related Diagnostic Procedures.
NOTE: Refer to the Transmission Range (TR) Sensor Diagnosis PID Chart Transaxle Connector Layouts Symptom Related Diagnostic Procedures.
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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 a fault is present in the TR sensor system, refer to the Transmission Range (TR) Sensor Diagnostic PID Chart in Transaxle Connector Layouts Symptom Related Diagnostic Procedures.
- If an electrical issue exists, verify TR sensor alignment.
- Is the TR sensor correctly aligned?
Yes
GO to C2.
No
ADJUST the TR sensor. CLEAR the DTCs. 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.
- Is the selector lever cable/linkage correctly adjusted?
Yes
GO to C3.
No
ADJUST the selector lever cable/linkage. REFER to Automatic Transmission/Transaxle. TEST the system for normal operation. Testing and Inspection
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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 FUSE 26 (10A)
- Ignition OFF.
- Check fuse: Battery Junction Box (BJB) 26 (15A).
- Is the resistance less than 5 ohms?
Yes
REPAIR circuit CBB26 (BU/WH) for an open. CLEAR the DTCs. TEST the system for normal operation.
No
REPAIR circuit CBB26 (BU/WH) for a short to ground. CLEAR the DTCs. 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, 4, 5, 7 and 8 and ground using the following chart:
- Is any voltage present?
Yes
REPAIR the circuit(s) for a short to power. CLEAR the DTCs. TEST the system for normal operation.
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, 4, 5, 7 and 8 and ground using the following chart:
- Is the resistance greater than 10,000 ohms?
Yes
GO to C7.
No
REPAIR the circuit(s) for a short to ground. CLEAR the DTCs. 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, 4, 5, 7 and 8 and the corresponding PCM C175T pin using the following chart:
- Is the resistance less than 5 ohms?
Yes
GO to C8.
No
REPAIR the circuit(s) for an open. CLEAR the DTCs. 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 chart:
- Are the resistances less than 5 ohms?
Yes
INSTALL a new PCM.
No
INSTALL a new TR sensor. REFER to Transmission Range (TR) Sensor Service and Repair. CLEAR the DTCs. TEST the system for normal operation.
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