DTC P2532-772: Ignition Switch Run Position Circuit High [10/2015 - ]: Procedure

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

   Result

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

5. Turn the power switch off.

B 

See step  6

A 

See step  2

1. Connect the Techstream to the DLC3.
2. Turn the power switch on (IG).
3. Enter the following menus: System Select / 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 

GO TO CAN COMMUNICATION SYSTEM 

w/ Central Gateway ECU: Refer to HOW TO PROCEED WITH TROUBLESHOOTING [10/2015 - ]

w/o Central Gateway ECU: Refer to HOW TO PROCEED WITH TROUBLESHOOTING [10/2015 - ]

A 

See step  3

1. Disconnect the A67 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)

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

   Standard Voltage

   Tester Connection	Condition	Specified Condition
   A67-3 (IG2) - Body ground	Power switch off	1 V or less

3. Reconnect the A67 hybrid vehicle control ECU assembly connector.

OK 

REPLACE HYBRID VEHICLE CONTROL ECU ASSEMBLY 

(Refer to COMPONENTS [10/2015 - ] )

NG 

See step  4

Refer to INSPECTION [10/2014 - ]

NG 

REPLACE NO. 1 INTEGRATION RELAY 

(Refer to COMPONENTS [10/2014 - ] )

OK 

See step  5

1. Disconnect the A67 hybrid vehicle control ECU assembly connector.
2. Remove the No. 1 integration relay from the engine room relay block and junction block assembly.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

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

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

   Standard Voltage

   Tester Connection	Condition	Specified Condition
   A67-3 (IG2) - Body ground	Power switch off	1 V or less

4. Install the No. 1 integration relay.
5. Reconnect the A67 hybrid vehicle control ECU assembly connector.

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK 

See step  6

1. Check for intermittent problems.

   Refer to CHECK FOR INTERMITTENT PROBLEMS [10/2014 - ]

   1. Check the connection and terminal contact pressure of the connectors and wire harnesses between the hybrid vehicle control ECU assembly and the engine room relay block and junction block assembly.
   2. When the power switch is on (READY), jiggle the connectors and wire harnesses between the hybrid vehicle control ECU assembly and the engine room relay block and junction block assembly.

   Result

   Result	Proceed to
   Problem symptom does not recur.	A
   Problem symptom recurs.	B

A 

REPLACE HYBRID VEHICLE CONTROL ECU ASSEMBLY 

(Refer to COMPONENTS [10/2015 - ] )

B 

REPAIR OR REPLACE MALFUNCTIONING PARTS, COMPONENT AND AREA