DTC P1770-62: Door Lock Switch / Curtesy Switch Signal Compare Failure [11/2021 - ]: Procedure

Pre-procedure1

1. Turn the ignition switch to ON.

   Procedure1

2. Read the Data List according to the display on the GTS.

   Powertrain > Hybrid Control > Data List 

   Tester Display
   Door Open Switch Status

   Result

   Result	Proceed to
   Does not change ON/OFF in accordance with the opening/closing of the driver door	A
   Changes ON/OFF in accordance with the opening/closing of the driver door	B

   Post-procedure1

3. Turn the ignition switch off.

Result: 

B 

GO TO CAN COMMUNICATION SYSTEM. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [11/2021 - ] 

Result: 

A 

See step  2

Pre-procedure1

1. Open the driver door.
2. Turn the ignition switch to ON.

   Procedure1

3. Measure the voltage according to the value(s) in the table below.

   Standard Voltage

   Tester Connection	Condition	Specified Condition
   D39-8 (DROP) - Body ground	Ignition switch ON and driver door open	Below 1 V

   Result

   Proceed to
   OK
   NG

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   *a	Component with harness connected (Transmission Floor Shift Assembly (Shift Control ECU))

   Post-procedure1

4. Turn the ignition switch to off.
5. Close the driver door.

Result: 

OK 

REPLACE TRANSMISSION FLOOR SHIFT ASSEMBLY (SHIFT CONTROL ECU). Refer to  REMOVAL [11/2021 - ] 

Result: 

NG 

See step  3

Pre-procedure1

1. Open the driver door.
2. Turn the ignition switch to ON.

   Procedure1

3. Measure the voltage according to the value(s) in the table below.

   Standard Voltage

   Tester Connection	Condition	Specified Condition
   G102-4 (DRO2) - Body ground	Ignition switch ON and driver door open	Below 1 V

   Result

   Proceed to
   OK
   NG

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   *a	Component with harness connected (Integration Control Supply (Integrated Capacitor))

   Post-procedure1

4. Turn the ignition switch to off.
5. Close the driver door.

Result: 

OK 

REPAIR OR REPLACE HARNESS OR CONNECTOR (INTEGRATION CONTROL SUPPLY (INTEGRATED CAPACITOR) - TRANSMISSION FLOOR SHIFT ASSEMBLY (SHIFT CONTROL ECU)) 

Result: 

NG 

See step  4

Pre-procedure1

1. Open the driver door.
2. Turn the ignition switch to ON.

   Procedure1

3. Measure the voltage according to the value(s) in the table below.

   Standard Voltage

   Tester Connection	Condition	Specified Condition
   G102-17 (DRO1) - Body ground	Ignition switch ON and driver door open	Below 1 V

   Result

   Proceed to
   OK
   NG

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   *a	Component with harness connected (Integration Control Supply (Integrated Capacitor))

   Post-procedure1

4. Turn the ignition switch to off.
5. Close the driver door.

Result: 

OK 

REPLACE INTEGRATION CONTROL SUPPLY (INTEGRATED CAPACITOR). Refer to  REMOVAL [11/2021 - ] 

Result: 

NG 

See step  5

Pre-procedure1

1. Open the driver door.
2. Turn the ignition switch to ON.

   Procedure1

3. Measure the voltage according to the value(s) in the table below.

   Standard Voltage

   Tester Connection	Condition	Specified Condition
   E34-7 (DCTY) - Body ground	Ignition switch ON and driver door open	Below 1 V

   Result

   Proceed to
   OK
   NG

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   *a	Component with harness connected (Front Door Lock with Motor Assembly LH)

   Post-procedure1

4. Turn the ignition switch to off.
5. Close the driver door.

Result: 

OK 

REPAIR OR REPLACE HARNESS OR CONNECTOR (INTEGRATION CONTROL SUPPLY (INTEGRATED CAPACITOR) - FRONT DOOR LOCK WITH MOTOR ASSEMBLY LH) 

Result: 

NG 

REPLACE FRONT DOOR LOCK WITH MOTOR ASSEMBLY LH. Refer to  REMOVAL [11/2021 - ]