DTC P2532-772: Ignition Switch Run Position Circuit High [08/2013 - ]: Procedure

WARNING: This page is about a different car, the 2014 Lexus ES 300h. However, it is still accessible from the selected car via links, so may be relevant.

CHECK HARNESS AND CONNECTOR (+B SHORT)

Disconnect the A33 power management control ECU connector.

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

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

Standard Voltage

Tester Connection	Condition	Specified Condition
A33-1 (IG2) - Body ground	Power switch off	1 V or less
A33-2 (IG2D) - Body ground	Power switch off	1 V or less

TEXT IN ILLUSTRATION

*a	Rear view of wire harness connector (to Power Management Control ECU)

RESULT

Result	Proceed to
NG	A
OK	B

Reconnect the A33 power management control ECU connector.

B → See step 3

A: Go to next step

CHECK HARNESS AND CONNECTOR (POWER MANAGEMENT CONTROL ECU - NO. 1 INTEGRATION RELAY)

Disconnect the A33 power management control ECU connector.

Remove the No. 1 integration relay from the engine room relay block and junction block assembly.

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

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

Standard Voltage

Tester Connection	Condition	Specified Condition
A33-1 (IG2) - Body ground	Power switch off	1 V or less
A33-2 (IG2D) - Body ground	Power switch off	1 V or less

TEXT IN ILLUSTRATION

*a	Rear view of wire harness connector (to Power Management Control ECU)

Install the No. 1 integration relay.
Reconnect the A33 power management control ECU connector.

NG → REPAIR OR REPLACE HARNESS OR CONNECTOR

OK → See step 4

REPLACE POWER MANAGEMENT CONTROL ECU. Refer to COMPONENTS [08/2013 - ]
REPLACE NO. 1 INTEGRATION RELAY. Refer to COMPONENTS [08/2013 - ]