Inspection Procedure

WARNING: This page is about a different car, the 2006 Toyota Land Cruiser. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: It is necessary to register an ID code after replacing the tire pressure monitor valve sub-assembly and/or the tire pressure monitor ECU (see REGISTRATION ).

CHECK WIRE HARNESS (ECU - DLC3)

Disconnect the T25 ECU connector.

Measure the resistance of the wire harness side connectors.

Standard resistance

RESISTANCE SPECIFIED CONDITIONS

Tester Connection	Specified Condition
T25-10 (TC) - D7-13 (TC)	Below 1 Ω
T25-10 (TC) - Body ground	10 kΩ or higher
D7-4 (CG) - Body ground	Below 1 Ω

NG: REPAIR OR REPLACE HARNESS AND CONNECTOR

Fig 1: Identifying Tire Pressure Monitor ECU & DLC3 Connector Terminals

OK: GO TO NEXT STEP

REPLACE TIRE PRESSURE MONITOR ECU