EPS Control Module Inspection
- Attach the tester lead to the underside of the EPS control module connector and inspect the voltage according to the terminal voltage table (reference).
- If not as specified, replace the steering column component. (See STEERING WHEEL AND COLUMN REMOVAL/INSTALLATION .)
Terminal Voltage Table (Reference)
| Terminal | Signal name | Connected to | Measured item | Measured terminal (measurement condition) | Voltage (V) | Inspection item(s) |
|---|---|---|---|---|---|---|
| 1A | Ground | Ground point | Voltage | Under any condition | 1 or less |
|
| 1B | Battery power supply | Battery | Voltage | Under any condition | B+ |
|
| 2A | Ignition power supply | IG1 relay | Voltage | Ignition ON (engine off or on) | B+ |
|
| Ignition OFF (LOCK) | 1 or less | |||||
| 2B | CAN_H | - | Perform DTC inspection | - | ||
| 2C | - | - | - | - | - | - |
| 2D | CAN_L | - | Perform DTC inspection | - | ||