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.

NOTE: Start the inspection from step 1 in case of using the TOYOTA hand-held tester and start from step 2 in case of not using TOYOTA hand-held tester.

Check Output Value Of Steering The Speed Sensor.
Preparation :
1. Connect the TOYOTA hand-held tester to the DLC3.
2. Turn the ignition switch ON and push the TOYOTA hand-held tester main switch ON.
3. Select the DATALIST mode on the TOYOTA hand-held tester.
Check : That the steering wheel turning angle value of the steering angle sensor displayed on the TOYOTA hand-held tester is appropriate when turning the steering wheel.

OK : steering wheel turning angle value must be appropriate.
1. OK : Go to step 4.
2. NG : Go to step 2.
Check The Installation Condition Of Steering Angle Sensor .
1. NG : Repair or replace TILT STEERING COLUMN .
2. OK : Go to step 3.
Check For Open And Short Circuit In Harness And Connector Between Brake Fluid Level Warning Switch And Translate ECU . Check for open and short circuit in harness and connector between steering angle sensor, translate ECU and skid control ECU. See HOW TO USE THE DIAGNOSTIC CHART AND INSPECTION PROCEDURE .
1. NG : Repair or replace harness or connector.
2. OK : Go to step 4.
Calibrate the steering angle sensor. PRE-CHECK , step 6 .
1. NG : Replace TILT STEERING COLUMN .
  NOTE: When replacing the steering angle sensor, perform the zero point calibration. See step 6 under PRE-CHECK.
2. OK : Go to step 5.
Is DTC Still Output?
Check DTC, see Step 1) e or f .
1. NO : No problem.
2. YES : Go to step 6.
Replace The ECU And Check Whether Or Not The Trouble Occurs Again.
1. YES : Replace steering angle sensor.
2. NO : Check and replace skid control ECU. When replacing the ECU, perform the zero point calibration. See step 6 under PRE-CHECK.