Circuit Inspection
ECM INSPECTION
| Inspection Condition | (+) Probe | (-) Probe | Specification | ||
|---|---|---|---|---|---|
| Connector | Terminal | Connector | Terminal | ||
| 1. Ignition "OFF". 2. Disconnect the electrical connector(s) from the concerned component. 3. Ignition "ON". |
ECM connector | 51 (ON/START Input) | Chassis ground | - | B+ |
| ECM connector | 73 (Memory Power) | Chassis ground | - | B+ | |
| 1. Ignition "OFF". 2. Disconnect the electrical connector(s) from the concerned component. |
ECM connector | 1, 3, 5 (Ground) | Chassis ground | - | Approx. below 1Ω |
| Good | Go to "Component Inspection" procedure below. |
| No Good | Repair open or short in circuit and then go to "VERIFICATION OF REPAIR " procedure. |