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 Active Brake Booster Solenoid.
PREPARATION : disconnect the connector from brake booster.
Check : Resistance between terminals 3 and 4 of brake booster. See Fig 1.
OK : Resistance: 1.1-1.7 ohms
- NG : Replace brake booster.
- OK : Go to step 2.
- Check for open and short circuit in harness and connector between skid control ECU and brake booster. See HOW TO USE THE DIAGNOSTIC CHART AND INSPECTION PROCEDURE
.
- NG : Repair or replace harness or connector.
- OK : Check and replace skid control ECU.
NOTE: When replacing the ECU, perform the zero point calibration. See step 6 under PRE-CHECK.