LX 570 V8-5.7L (3UR-FE) (2010)
Standard Resistance:
Below 1 Ohms
(2) Disconnect the ECU connector. Check the ground terminal on the ECU side and wire harness side for bending, corrosion or foreign matter.
Lastly, check the contact pressure of the female terminals.
How To Proceed With Troubleshooting
INTRODUCTION: HOW TO TROUBLESHOOT ECU CONTROLLED SYSTEMS: HOW TO PROCEED WITH TROUBLESHOOTING
1. OPERATION FLOW
HINT
Perform troubleshooting in accordance with the procedures below. The following is an outline of basic troubleshooting procedures.
Confirm the troubleshooting procedures for the circuit you are working on before beginning troubleshooting.
1. VEHICLE BROUGHT TO WORKSHOP
NEXT -- Continue to next step.
2. CUSTOMER PROBLEM ANALYSIS
(a) Ask the customer about the conditions and environment when the problem occurred.
NEXT -- Continue to next step.
3. INSPECT BATTERY VOLTAGE
Standard voltage:
11 to 14 V
If the voltage is below 11 V, recharge or replace the battery before proceeding.
NEXT -- Continue to next step.
4. SYMPTOM CONFIRMATION AND DTC (INCLUDING FREEZE FRAME DATA) CHECK
(a) Visually check the wire harnesses, connectors and fuses for open and short circuits.