Inspection Procedure

WARNING: This page is about a different car, the 2002 Toyota Sequoia. However, it is still accessible from the selected car via links, so may be relevant.

Check voltage between terminals +BS, +BM and GND of skid control ECU connector.
1. Preparation : Disconnect the skid control ECU connector.
2. Check : Measure the voltage between terminals +BS(16), +BM(47) and GND(15, 46) of skid control ECU harness side connector. See Fig 1.
  OK : Voltage: 10-14 V.
  
  Fig 1: Identifying Skid Control ECU Harness Side Connector Terminals
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
NG : Check and replace ABS fuses. Check and repair harness or connector.
OK : If the same code is still output after the DTC is deleted, check the contact condition of each connection. If the connections are normal, the ECU may be defective.
NOTE: When replacing the ECU, perform the zero point calibration. See step 6 under PRE-CHECK.