3.
Has a problem been found ?
 | ▶ Repair as necessary and then go to "Verification of Vehicle Repair" procedure. |
 | ▶ Go to next step. |
Many malfunctions in the electrical system are caused by poor harness and terminals. Faults can also be caused by interference from other electrical systems, and mechanical or chemical damage.
Thoroughly check connectors for looseness, poor connection, bending, corrosion, contamination, deterioration, or damage.
Has a problem been found ?
| ▶ Repair as necessary and then go to "Verification of Vehicle Repair" procedure. |
| ▶ Go to next step. |
IG "ON".
Release the ESP(ESC) switch.
Measure voltage between ESP(ESC) switch signal terminal of the HECU harness connector and chassis ground.
Specification : Approx. 0V
Is the measured value within specifications?
| ▶ Fault is intermittent caused by poor connection in ESP(ESC) switch line. Thoroughly check connectors for looseness, poor connection, bending, corrosion, contamination, deterioration, or damage. Repair or replace as necessary and then go to "Verification of Vehicle Repair" procedure. |
| ▶ Repair short to battery in signal circuit between the ESP switch harness connector and HECU and then, go to "Verification of vehicle Repair" ▶ If there is no problem in circuit, Go to "Component Inspection" procedure. |
