How To Proceed With Troubleshooting
WARNING: This page is about a different car, the 2003 Toyota 4Runner. However, it is still accessible from the selected car via links, so may be relevant.
- Vehicle Brought To Work Shop
- (See CUSTOMER PROBLEM ANALYSIS CHECK )
- Check Body Multiplex Communication System (See HOW TO PROCEED WITH TROUBLESHOOTING
)
- Check that the DTC outputs.
- DTC Outputs (Proceed To "Body Multiplex Communication System")
- DTC Does Not Output (Go To Step 4)
- Check that the DTC outputs.
- DTC Check (See PRE-CHECK )
- Malfunction Code (Go To Step 5)
- Normal Code (Go To Step 6 )
- DTC Chart (See DIAGNOSTIC TROUBLE CODE CHART )
- Go To Step 8
- (See PROBLEM SYMPTOMS TABLE )
- Terminal Of ECU (See TERMINALS OF ECU )
- Circuit Inspection (See DTC B1244 LIGHT SENSOR CIRCUIT MALFUNCTION - LIGHT AUTO TURN OFF SYSTEM LIGHT DOES NOT OPERATE )
- Identification Of Problem
- Repair Or Replace
- Confirmation Test
- END