Circuit Inspection
| Inspection Condition | (+) Probe | (-) Probe | Specification | ||
|---|---|---|---|---|---|
| Connector | Terminal | Connector | Terminal | ||
|
ECM connector | 38 (signal) | Chassis ground | - | Approx. 0V |
|
ECM connector | 38 (signal) | HECU connector (W/O EPB) | 37 (signal) | Approx. below 1Ω |
| ECM connector | 38 (signal) | HECU connector (with EPB) | 45 (signal) | Approx. below 1Ω | |
| ECM connector | 38 (signal) | Chassis ground | - | ∞ (infinity)Ω | |
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.