Inspection Procedure

WARNING: This page is about a different car, the 2005 Toyota Land Cruiser. However, it is still accessible from the selected car via links, so may be relevant.

Check hydraulic brake booster solenoid.
PREPARATION:

Disconnect the 2 connectors from the hydraulic brake booster.

CHECK:

Check continuity between terminals A43 - 4 and A45 - 1, 2, 3, 4, 7, 8, 9 and 10 of the hydraulic brake booster connector.

OK:

Continuity

HINT:

Resistance of each solenoid at 20°C (68°F):

SFRH, SFLH, SRRH, SRLH: 6.95 to 7.45 Ω

SFRR, SFLR, SRRR, SRLR: 2.00 to 2.40 Ω

Fig 1: Checking Continuity Between Terminals Of Hydraulic Brake Booster Connector
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
1. NG: Replace hydraulic brake booster.
2. OK: Go to next step.
Check for open and short circuit in harness and connector between skid control ECU and actuator (See HOW TO USE THE DIAGNOSTIC TABLE AND INSPECTION ).
1. NG: Repair or replace harness or connector.
2. 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.