Inspection Procedure

WARNING: This page is about a different car, the 2007 Toyota Land Cruiser. However, it is still accessible from the selected car via links, so may be relevant.

CHECK DOOR CONTROL RECEIVER (+B VOLTAGE)
1. Remove the door control receiver.
2. Measure the voltage between terminal +B of the ECU connector and ground.
  Standard voltage: 10 to 14 V
  
  Fig 1: Checking Door Control Receiver (+B Voltage)
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
- OK: PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE
- NG: GO TO NEXT STEP
CHECK WIRE HARNESS (RECEIVER - BATTERY AND BODY GROUND)
- NG: REPAIR OR REPLACE HARNESS AND CONNECTOR
- OK: PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE