How To Proceed With Troubleshooting
WARNING: This page is about a different car, the 2004 Toyota Sienna. However, it is still accessible from the selected car via links, so may be relevant.
- Vehicle Brought to Workshop
- Customer Problem Analysis (See CUSTOMER PROBLEM ANALYSIS CHECK )
- Check and Clear DTCs and Freeze Frame Data (See PRE-CHECK )
- Problem Symptom Confirmation
- Symptom does not occur: Go to step 5
- Symptom occurs: Go to step 6
- Symptom Simulation (See
ELECTRONIC CIRCUIT INSPECTION PROCEDURE
)
- Go to next step.
- DTC Check (See
PRE-CHECK )
- There is no output: Go to step 7
- There is output: Go to step 8
- Problem Symptoms Table (See
PROBLEM SYMPTOMS TABLE )
- Check for fluid leakage and Go to step 10
- DTC Chart (See DIAGNOSTIC TROUBLE CODE CHART )
- Circuit Inspection (See
DTC C0200/31 RIGHT FRONT SPEED SENSOR CIRCUIT, DTC C0205/32 LEFT FRONT SPEED SENSOR, DTC C1235/35 FOREIGN MATTER IS ATTACHED ON TIP OF RIGHT FRONT SENSOR, DTC C1236/36 FOREIGN MATTER IS ATTACHED ON TIP OF LEFT FRONT SENSOR Or TS TERMINAL CIRCUIT
) NOTE: When 2 or more DTC's are detected, perform circuit inspection one by one until the problem is identified.
- Go to next step.
- Identification of Problem
- Go to next step.
- Repair
- Go to next step.
- Confirmation Test
- End
NOTE:
Step 3, 6, 9, 12:
Diagnostic steps permitting the use of the hand-held tester.
Fail safe function:
When a failure occurs in the ABS system, the ABS warning light comes on and the ABS operation is prohibited. In addition to this, when the failure which disables the EBD operation occurs, the brake warning light comes on as well and the EBD operation is prohibited.