Control Unit Input/Output Signal Standard
STANDARD BY CIRCUIT TESTER AND OSCILLOSCOPE
CAUTION:
When checked using a circuit tester for voltage measurement, connector terminals should not be forcefully extended.
CONTROL UNIT INPUT/OUTPUT SIGNAL STANDARD
| Terminal | Measuring point | Measuring condition | Standard | ||
|---|---|---|---|---|---|
| + (wire color) | - | ||||
| 1 (G/B) | Ground | IGN | Ignition switch ON. | Battery voltage (Approx. 12 V) | |
| 2 (B) | Ground | Always | Approx. 0 V | ||
| 3 (L) | Vehicle speed signal (2-pulse) | At 40 km/h (25MPH) | |||
| 5 (Y) | Engine speed signal | At idle after warming up | |||
| At approx. 2,000 rpm | |||||
| 7 (LG) | Power steering solenoid valve | Normal (Vehicle speed) | 0 km/h (0 MPH) | Approx. 4.4 - 6.6 V | |
| 100 km/h (62 MPH) | Approx. 2.4 - 3.6 V | ||||
| In fail-safe mode (Engine speed) | 0 - 1,500 rpm | Approx. 4.4 - 6.6 V | |||
| 1,500 - 3,000 rpm | Approx. 3.5 V | ||||
| More than 3,000 rpm | Approx. 2.1 V | ||||
STANDARD BY CIRCUIT TESTER AND OSCILLOSCOPE
CAUTION:
When checked using a circuit tester for voltage measurement, connector terminals should not be forcefully extended.
CONTROL UNIT INPUT/OUTPUT SIGNAL STANDARD
| Terminal | Measuring point | Measuring condition | Standard | ||
|---|---|---|---|---|---|
| + (wire color) | - | ||||
| 1 (LG) | Ground | Power steering solenoid valve | Normal (Vehicle speed) | 0 km/h (0 MPH) | Approx. 4.4 - 6.6 V |
| 100 km/h (62 MPH) | Approx. 2.4 - 3.6 V | ||||
| In fail-safe mode (Engine speed) | 0 - 1,500 rpm | Approx. 4.4 - 6.6 V | |||
| 1,500 - 3,000 rpm | Approx. 3.5 V | ||||
| More than 3,000 rpm | Approx. 2.1 V | ||||
| 3 (G/B) | IGN | Ignition switch ON. | Battery voltage (Approx. 12 V) | ||
| 5 (B) | Solenoid ground | Always | Approx. 0 V | ||
| 6 (B) | Ground | Always | Approx. 0 V | ||
| 8 (L) | Vehicle speed signal (2-pulse) | At 40 km/h (25MPH) | |||
| 10 (Y) | Engine speed signal | At idle after warming up | |||
| At approx. 2,000 rpm | |||||