DTC P2532-772: Ignition Switch Run Position Circuit High [12/2014 - ]: Procedure

1. Check the vehicle condition.
   RESULT
   
   

   Result	Proceed to
   w/ Smart Key System	A
   w/o Smart Key System	B

B → See step   8 

A: Go to next step 

1. Connect the Techstream to the DLC3.
2. Turn the ignition switch to ON (IG).
3. Enter the following menus: Powertrain / Hybrid Control / Trouble Codes.
4. Check for DTCs.
   RESULT
   
   

   Result	Proceed to
   P2532-772 only is output.	A
   DTCs except P2532-772 are output.	B

5. Turn the power switch off.

B → See step   7 

A: Go to next step 

1. Connect the Techstream to the DLC3.
2. Turn the ignition switch to ON (IG).
3. Enter the following menus: CAN Bus Check.
   RESULT
   
   

   Result	Proceed to
   All of the ECUs and sensors that are currently connected to the CAN communication system are displayed.	A
   None of the ECUs and sensors that are currently connected to the CAN communication system are displayed, or some of them are not displayed.	B

4. Turn the power switch off.

B → See step   25 

A: Go to next step 

1. Disconnect connector A38 from the hybrid vehicle control ECU.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

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

   Standard Voltage

   Tester Connection	Switch Condition	Specified Condition
   A38-3 (IG2) - Body ground	Ignition switch off	1 V or less

   TEXT IN ILLUSTRATION
   
   

   *a	Rear view of wire harness connector (to Hybrid Vehicle Control ECU)

   Result

   Result	Proceed to
   NG	A
   OK	B

3. Connect the hybrid vehicle control ECU connector.

B → See step   18 

A: Go to next step 

Refer to INSPECTION [12/2014 - ]

NG → See step   19 

OK: Go to next step 

1. Disconnect connector A38 from the hybrid vehicle control ECU.
2. Remove the No. 1 integration relay from the No. 2 engine room relay block and No. 2 junction block assembly.
3. Measure the voltage according to the value(s) in the table below.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   Standard Voltage

   Tester Connection	Switch Condition	Specified Condition
   A38-3 (IG2) - Body ground	Ignition switch off	1 V or less

   TEXT IN ILLUSTRATION
   
   

   *a	Rear view of wire harness connector (to Hybrid Vehicle Control ECU)

4. Install the No. 1 integration relay.
5. Connect the hybrid vehicle control ECU connector.

NG → REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK: Go to next step 

Refer to CHECK FOR INTERMITTENT PROBLEMS [12/2014 - ]

NG → REPAIR OR REPLACE MALFUNCTIONING PARTS, COMPONENT AND AREA 

OK → See step   18 

1. Connect the Techstream to the DLC3.
2. Turn the ignition switch to ON (IG).
3. Enter the following menus: Powertrain / Hybrid Control / Trouble Codes.
4. Read and record the DTCs and freeze frame data.
5. Clear the DTCs and freeze frame data.
6. Turn the ignition switch off.

NEXT: Go to next step 

1. Connect the Techstream to the DLC3.
2. Turn the ignition switch to ON (IG).
3. Enter the following menus: Powertrain / Hybrid Control / Trouble Codes.
4. Check if DTCs are output.

   Result

   Result	Proceed to
   Only P2532-772 is output or P2532-772 and DTCs other than U0140-146 are also output.	A
   U0140-146 is output.	B
   DTCs other than P2532-772 or U0140-146 are output.	C
   No DTCs are output.	D

5. Turn the ignition switch off.

B → See step   20 

C → See step   22 

D → See step   13 

A: Go to next step 

1. Remove the ECU-IG NO. 1 fuse, ECU-IG NO. 2 fuse and AM1 fuse from the instrument panel junction block assembly.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

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

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   ECU-IG NO. 1 fuse terminal	Always	Below 1 Ω
   ECU-IG NO. 2 fuse terminal	Always	Below 1 Ω
   AM1 fuse terminal	Always	Below 1 Ω

   TEXT IN ILLUSTRATION
   
   

   *1	Instrument panel junction block assembly
   *2	ECU-IG NO. 1 fuse
   *3	ECU-IG NO. 2 fuse
   *4	AM1 fuse

3. Install the ECU-IG NO. 1 fuse, ECU-IG NO. 2 fuse and AM1 fuse.

NG → REPLACE FUSE (ECU-IG NO. 1, ECU-IG NO. 2, AM1) 

OK: Go to next step 

1. Disconnect connector 3E from the instrument panel junction block assembly.
2. Measure the voltage according to the value(s) in the table below.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   Standard Voltage

   Tester Connection	Switch Condition	Specified Condition
   3E-1 - Body ground	Ignition switch off	11 to 14 V

   TEXT IN ILLUSTRATION
   
   

   *a	Front view of wire harness connector (to Instrument Panel Junction Block Assembly)

3. Connect the instrument panel junction block assembly connector.

NG → REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK: Go to next step 

1. Disconnect connector 3B from the instrument panel junction block assembly.
2. Measure the resistance according to the value(s) in the table below.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   Standard Resistance

   Tester Connection	Switch Condition	Specified Condition
   3B-8 - Body ground	Ignition switch off	Below 1 Ω

   TEXT IN ILLUSTRATION
   
   

   *a	Front view of wire harness connector (to Instrument Panel Junction Block Assembly)

3. Connect the instrument panel junction block assembly connector.

NG → REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK → See step   23 

1. Turn the ignition switch off and leave the vehicle as it is for 10 seconds or more.
2. Connect the Techstream to the DLC3.
3. Turn the ignition switch to ON (IG).
4. Enter the following menus: Powertrain / Hybrid Control / Trouble Codes.
5. Check if DTCs are output.

   Result

   Result	Proceed to
   DTC P2532-772 is output.	A
   No DTC is output.	B

6. Turn the ignition switch off.

B → See step   24 

A: Go to next step 

1. Disconnect connector A38 from the hybrid vehicle control ECU.
2. Measure the voltage according to the value(s) in the table below.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   Standard Voltage

   Tester Connection	Switch Condition	Specified Condition
   A38-3 (IG2) - Body ground	Ignition switch off	Below 1 V

   TEXT IN ILLUSTRATION
   
   

   *a	Rear view of wire harness connector (to Hybrid Vehicle Control ECU)

   Result

   Result	Proceed to
   NG	A
   OK	B

3. Connect the hybrid vehicle control ECU connector.

B → See step   18 

A: Go to next step 

1. Disconnect connector A38 from the hybrid vehicle control ECU.
2. Remove the No. 1 integration relay from the No. 2 engine room relay block and No. 2 junction block assembly.
3. Measure the voltage according to the value(s) in the table below.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   Standard Voltage

   Tester Connection	Switch Condition	Specified Condition
   A38-3 (IG2) - Body ground	Ignition switch off	Below 1 V

   TEXT IN ILLUSTRATION
   
   

   *a	Rear view of wire harness connector (to Hybrid Vehicle Control ECU)

4. Install the No. 1 integration relay.
5. Connect the hybrid vehicle control ECU connector.

NG → REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK: Go to next step 

Refer to INSPECTION [12/2014 - ]

NG → See step   19 

OK: Go to next step 

1. Disconnect the connector G15 from the ignition or starter switch assembly.
2. Remove the No. 1 integration relay from the No. 2 engine room relay block and No. 2 junction block assembly.
3. Measure the voltage according to the value(s) in the table below.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   Standard Voltage

   Tester Connection	Switch Condition	Specified Condition
   G15-6 (IG2) - Body ground	Ignition switch off	Below 1 V

   TEXT IN ILLUSTRATION
   
   

   *a	Front view of wire harness connector (to Ignition or Starter Switch Assembly)

4. Install the No. 1 integration relay.
5. Connect the ignition or starter switch assembly connector.

NG → REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK → See step   21