DTC P0A32-666: Drive Motor "B" Temperature Sensor Circuit Low; DTC P0A33-665: Drive Motor "B" Temperature Sensor Circuit High [11/2016 - ]: Procedure

See step  1

OK

- The connector is connected securely.

- The terminals are not deformed and are connected securely.

- No water or foreign matter in the connector.

Result

Result:  2

B 

CONNECT SECURELY 

Result:  3

C 

REPAIR OR REPLACE HARNESS OR CONNECTOR 

Result:  1

A 

See step  2

1. Check the connection condition of the rear motor temperature sensor connector and the contact pressure of each terminal. Check the terminals for deformation, and check the connector for water ingress and foreign matter.

   Refer to ELECTRONIC CIRCUIT INSPECTION PROCEDURE [02/2014 - ]

   OK

   - The connector is connected securely.

   - The terminals are not deformed and are connected securely.

   - No water or foreign matter in the connector.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   Result

   Result	Proceed to
   OK	A
   NG (The connector is not connected securely.)	B
   NG (The terminals are not making secure contact or are deformed, or water or foreign matter exists in the connector.)	C

Result:  2

B 

CONNECT SECURELY 

Result:  3

C 

REPAIR OR REPLACE HARNESS OR CONNECTOR 

Result:  1

A 

See step  3

1. Connect the Techstream to the DLC3.
2. Turn the power switch on (IG).
3. Enter the following menus: Powertrain / Hybrid Control / Data List / Rear Motor Temp.
4. Read the Data List.

   Powertrain > Hybrid Control > Data List 

   Tester Display
   Rear Motor Temp

   Result

   Proceed to
   -40°C (-40°F)
   215°C (419°F)
   Same as actual temperature

5. Turn the power switch off.

Result:  2

215°C (419°F) 

See step  6

Result:  3

Same as actual temperature 

REPAIR OR REPLACE HARNESS OR CONNECTOR 

Result:  1

-40°C (-40°F) 

See step  4

1. Disconnect the R4 motor temperature sensor connector.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

2. Measure the resistance according to the value(s) in the table below.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   *a	Component without harness connected (Rear traction motor with transaxle assembly (Rear motor temperature sensor))

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   1(RMT) - 3(RMTG)	Power switch OFF	0.3436 to 1442 kΩ

   HINT: 

   The rear motor temperature sensor is not available as supply parts. If it requires replacement, replace the rear traction motor with transaxle assembly.

3. Reconnect the R4 motor temperature sensor connector.

   Result

   Proceed to
   OK
   NG

Result:  2

NG 

REPLACE REAR TRACTION MOTOR WITH TRANSAXLE ASSEMBLY. Refer to  COMPONENTS [11/2016 - ] 

Result:  1

OK 

See step  5

1. Connect terminals 27 (RMT) and 35 (RMTG) of the A86 hybrid vehicle control ECU assembly connector.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   *a	Component with harness connected (Hybrid Vehicle Control ECU Assembly)

2. Connect the Techstream to the DLC3.
3. Enter the following menus: Powertrain / Hybrid Control / Data List / Rear Motor Temp.
4. Read the Data List.

   Powertrain > Hybrid Control > Data List 

   Tester Display
   Rear Motor Temp

   OK

   Tester Display	Condition	Specified Condition
   Rear Motor Temp	Terminals RMT and RMTG connected Power switch on (IG)	215°C (419°F)

5. Turn the power switch off.

   Result

   Proceed to
   OK
   NG

Result:  1

OK 

REPAIR OR REPLACE HARNESS OR CONNECTOR 

Result:  2

NG 

REPLACE HYBRID VEHICLE CONTROL ECU ASSEMBLY. Refer to  COMPONENTS [11/2016 - ] 

1. Disconnect the R4 motor temperature sensor connector.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

2. Measure the resistance according to the value(s) in the table below.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   *a	Component without harness connected (Rear traction motor with transaxle assembly (Rear motor temperature sensor))

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   1(RMT) - 3(RMTG)	Power switch OFF	0.3436 to 1442 kΩ

   HINT: 

   The rear motor temperature sensor is not available as supply parts. If it requires replacement, replace the rear traction motor with transaxle assembly.

3. Reconnect the R4 motor temperature sensor connector.

   Result

   Proceed to
   OK
   NG

Result:  2

NG 

REPLACE REAR TRACTION MOTOR WITH TRANSAXLE ASSEMBLY. Refer to  COMPONENTS [11/2016 - ] 

Result:  1

OK 

See step  7

1. Disconnect connector the A86 hybrid vehicle control ECU assembly connector.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   *a	Rear view of wire harness connector (to Hybrid Vehicle Control ECU Assembly)
   *b	Front view of wire harness connector (to Rear Motor Temperature Sensor)

2. Disconnect the R4 rear motor temperature sensor connector.
3. Measure the resistance according to the value(s) in the table below.

   Standard Resistance (Check for Open)

   Tester Connection	Condition	Specified Condition
   R4-1 (RMT) - A86-27 (RMT)	Power switch off	Below 1 Ω
   R4-3 (RMTG) - A86-35 (RMTG)	Power switch off	Below 1 Ω

   Standard Resistance (Check for Short)

   Tester Connection	Condition	Specified Condition
   R4-1 (RMT) or A86-27 (RMT) - Body ground and other terminals	Power switch off	10 kΩ or higher
   R4-3 (RMTG) or A86-35 (RMTG) - Body ground and other terminals	Power switch off	10 kΩ or higher

4. Reconnect the R4 rear motor temperature sensor connector.
5. Reconnect the A86 hybrid vehicle control ECU assembly connector.

   Result

   Proceed to
   OK
   NG

Result:  1

OK 

REPLACE HYBRID VEHICLE CONTROL ECU ASSEMBLY. Refer to  COMPONENTS [11/2016 - ] 

Result:  2

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR