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TEMPERATURE SENSOR CIRCUIT INSPECTION
Required Special Tools:
 
 
Front motor U phase coil temperature sensor circuit inspection
1. Disconnect the connector of the power drive unit.
2. Visually check that there is no damage and foreign materials.
  • When it's normal,
  • When it's not normal, repair the connector(s) or harness.
3. Disconnect the front motor connector (6 pins).
4. Visually check that there is no damage and foreign materials.
  • When it's normal,
  • When it's not normal, repair the connector(s) or harness.
5. With disconnecting the front motor connector (6 pins), check the continuity between the harness side connector terminals of the power drive unit.
Power drive unit side harness terminalStandard value
Body groundMTH1No continuity
MTG1
IGCT
  • If the resistance value is the standard value,
  • If the resistance value is not the standard value, repair the connector(s) or harness.
6. Check the harness continuity between the power drive unit and front motor.
Power drive unit side harness terminalFront motor side harness terminalStandard value
MTH1MTH1Continuity exists (2 Ω or less)
MTG1MTG1
  • If the resistance value is the standard value,
  • If the resistance value is not the standard value, repair the connector(s) or harness.
7. Connect the front motor connector (6 pins).
8. Check the resistance value between the harness side connector terminals of the power drive unit.
Power drive unit side harness terminalStandard value
MTH1MTG159.38 to 69.22 kΩ [at –20°C (-4°F)]
31.78 to 36.11 kΩ [at 0°C (32°F)]
18.46 to 20.51 kΩ [at 20°C (68°F)]
11.46 to 12.48 kΩ [at 40°C (104°F)]
Body groundMTH1No continuity
  • If the resistance value is in the standard value range, the front motor U phase coil temperature sensor circuit is normal.
  • If the resistance value is not in the standard value range, replace the front motor (refer to MOTOR (ELECTRIC MOTOR UNIT) REMOVAL AND INSTALLATION).
 
 
 
Front motor V phase coil temperature sensor circuit inspection
1. Disconnect the connector of the power drive unit.
2. Visually check that there is no damage and foreign materials.
  • When it's normal,
  • When it's not normal, repair the connector(s) or harness.
3. Disconnect the front motor connector (6 pins).
4. Visually check that there is no damage and foreign materials.
  • When it's normal,
  • When it's not normal, repair the connector(s) or harness.
5. With disconnecting the front motor connector (6 pins), check the continuity between the harness side connector terminals of the power drive unit.
Power drive unit side harness terminalStandard value
Body groundMTH3No continuity
MTG3
IGCT
  • If the resistance value is the standard value,
  • If the resistance value is not the standard value, repair the connector(s) or harness.
6. Check the harness continuity between the power drive unit and front motor.
Power drive unit side harness terminalFront motor side harness terminalStandard value
MTH3MTH3Continuity exists (2 Ω or less)
MTG3MTG3
  • If the resistance value is the standard value,
  • If the resistance value is not the standard value, repair the connector(s) or harness.
7. Connect the front motor connector (6 pins).
8. Check the resistance value between the harness side connector terminals of the power drive unit.
Power drive unit side harness terminalStandard value
MTH3MTG359.38 to 69.22 kΩ [at –20°C (-4°F)]
31.78 to 36.11 kΩ [at 0°C (32°F)]
18.46 to 20.51 kΩ [at 20°C (68°F)]
11.46 to 12.48 kΩ [at 40°C (104°F)]
Body groundMTH3No continuity
  • If the resistance value is in the standard value range, the front motor V phase coil temperature sensor circuit is normal.
  • If the resistance value is not in the standard value range, replace the front motor (refer to MOTOR (ELECTRIC MOTOR UNIT) REMOVAL AND INSTALLATION).
 
 
 
Front motor W phase coil temperature sensor circuit inspection
1. Disconnect the connector of the power drive unit.
2. Visually check that there is no damage and foreign materials.
  • When it's normal,
  • When it's not normal, repair the connector(s) or harness.
3. Disconnect the front motor connector (6 pins).
4. Visually check that there is no damage and foreign materials.
  • When it's normal,
  • When it's not normal, repair the connector(s) or harness.
5. With disconnecting the front motor connector (6 pins), check the continuity between the harness side connector terminals of the power drive unit.
Power drive unit side harness terminalStandard value
Body groundMTH2No continuity
MTG2
IGCT
  • If the resistance value is the standard value,
  • If the resistance value is not the standard value, repair the connector(s) or harness.
6. Check the harness continuity between the power drive unit and front motor.
Power drive unit side harness terminalFront motor side harness terminalStandard value
MTH2MTH2Continuity exists (2 Ω or less)
MTG2MTG2
  • If the resistance value is the standard value,
  • If the resistance value is not the standard value, repair the connector(s) or harness.
7. Connect the front motor connector (6 pins).
8. Check the resistance value between the harness side connector terminals of the power drive unit.
Power drive unit side harness terminalStandard value
MTH2MTG259.38 to 69.22 kΩ [at –20°C (-4°F)]
31.78 to 36.11 kΩ [at 0°C (32°F)]
18.46 to 20.51 kΩ [at 20°C (68°F)]
11.46 to 12.48 kΩ [at 40°C (104°F)]
Body groundMTH2No continuity
  • If the resistance value is in the standard value range, the front motor W phase coil temperature sensor circuit is normal.
  • If the resistance value is not in the standard value range, replace the front motor (refer to MOTOR (ELECTRIC MOTOR UNIT) REMOVAL AND INSTALLATION).
 
 
 
Generator coil temperature sensor circuit inspection
1. Disconnect the connector of the power drive unit.
2. Visually check that there is no damage and foreign materials.
  • When it's normal,
  • When it's not normal, repair the connector(s) or harness.
3. Disconnect the generator connector (6 pins).
4. Visually check that there is no damage and foreign materials.
  • When it's normal,
  • When it's not normal, repair the connector(s) or harness.
5. With disconnecting the generator connector (6 pins), check the continuity between the harness side connector terminals of the power drive unit.
Power drive unit side harness terminalStandard value
Body groundGTH1No continuity
GTG1
IGCT
  • If the resistance value is the standard value,
  • If the resistance value is not the standard value, repair the connector(s) or harness.
6. Check the harness continuity between the power drive unit and generator.
Power drive unit side harness terminalGenerator side harness terminalStandard value
GTH1GTH1Continuity exists (2 Ω or less)
GTG1GTG1
  • If the resistance value is the standard value,
  • If the resistance value is not the standard value, repair the connector(s) or harness.
7. Connect the generator connector (6 pins).
8. Check the resistance value between the harness side connector terminals of the power drive unit.
Power drive unit side harness terminalStandard value
GTH1GTG159.38 to 69.22 kΩ [at –20°C (-4°F)]
31.78 to 36.11 kΩ [at 0°C (32°F)]
18.46 to 20.51 kΩ [at 20°C (68°F)]
11.46 to 12.48 kΩ [at 40°C (104°F)]
Body groundGTH1No continuity
  • If the resistance value is in the standard value range, the generator coil temperature sensor circuit is normal.
  • If the resistance value is not in the standard value range, replace the generator (refer to GENERATOR REMOVAL AND INSTALLATION).
 
 
 
EV oil cooling system oil temperature sensor circuit inspection
1. Disconnect the connector of the power drive unit.
2. Visually check that there is no damage and foreign materials.
  • When it's normal,
  • When it's not normal, repair the connector(s) or harness.
3. Disconnect the generator connector (6 pins).
4. Visually check that there is no damage and foreign materials.
  • When it's normal,
  • When it's not normal, repair the connector(s) or harness.
5. With disconnecting the generator connector (6 pins), check the continuity between the harness side connector terminals of the power drive unit.
Power drive unit side harness terminalStandard value
Body groundGTH0No continuity
GTG0
IGCT
  • If the resistance value is the standard value,
  • If the resistance value is not the standard value, repair the connector(s) or harness.
6. Check the harness continuity between the power drive unit and generator.
Power drive unit side harness terminalGenerator side harness terminalStandard value
GTH0GTH0Continuity exists (2 Ω or less)
GTG0GTG0
  • If the resistance value is the standard value,
  • If the resistance value is not the standard value, repair the connector(s) or harness.
7. Connect the generator connector (6 pins).
8. Check the resistance value between the harness side connector terminals of the power drive unit.
Power drive unit side harness terminalStandard value
GTH0GTG042.38 to 45.86 kΩ [at –20°C (-4°F)]
23.97 to 25.54 kΩ [at 0°C (32°F)]
14.30 to 15.08 kΩ [at 20°C (68°F)]
8.98 to 9.38 kΩ [at 40°C (104°F)]
Body groundGTH0No continuity
  • If the resistance value is in the standard value range, the EV oil cooling system oil temperature sensor circuit is normal.
  • If the resistance value is not in the standard value range, replace the generator (refer to GENERATOR REMOVAL AND INSTALLATION).