Circuit Inspection
| Inspection Condition | (+) Probe | (-) Probe | Specification | ||
|---|---|---|---|---|---|
| Connector | Terminal | Connector | Terminal | ||
|
HECU connector | 17 (wheel sensor output) | Chassis ground | - | ∞ (infinity)Ω |
| HECU connector | 17 (wheel sensor output) | ECM connector | 26 (vehicle speed input) | Approx. below 1Ω | |
Good
- Check for wheel speed sensor related failure in HECU system, and then perform applicable troubleshooting.
- Once Wheel Speed Sensor related failure is fixed, re-do troubleshooting guide steps carefully.
- If no problems were found with the circuits or connectors, replace the ECM and then go to "Verification of Repair " procedure.
No Good
- Repair or replace as necessary and then, go to "Verification of Repair " procedure.