CHECK AT ECU TERMINAL
)
| Terminal No. |
Check item |
Check conditions |
Normal condition |
|
|---|---|---|---|---|
| 1 |
Throttle position sensor input |
Accelerator pedal: Depressed |
4.4 -
5.3V |
|
| Accelerator pedal: Released |
0.535 -
0.735 V |
|||
| 2 |
Engine-A/T-ECU output (Idle switch) |
Accelerator pedal: Depressed |
4.0 -
5.5 V |
|
| Accelerator pedal: Released |
2.5 V or less |
|||
| 3 |
A/T control output |
Driving on level road (No OD-OFF request) |
System voltage |
|
| Driving on uphill road (OD-OFF request) |
0 V |
|||
| 4 |
Stop lamp switch input |
Brake pedal: Depressed |
When stop lamp switch is ON |
System voltage |
| Brake pedal: Released |
When stop lamp switch is OFF |
0 V |
||
| 5 |
Auto-cruise vacuum pump power supply |
Ignition switch: ON Stop lamp switch: OFF |
10 V or more |
|
| 6 |
Auto-cruise control-ECU power supply |
Ignition switch: ON |
System voltage |
|
| 7 |
Auto-cruise vacuum pump release valve |
When decelerating with the auto-cruise control SET switch while driving at constant speed |
1 V or less |
|
| 8 |
Auto-cruise vacuum pump control valve |
10 V or more |
||
| 7 |
Auto-cruise vacuum pump release valve |
When cancelling constant speed driving with the auto-cruise control CANCEL switch |
10 V or more |
|
| 8 |
Auto-cruise vacuum pump control valve |
System voltage |
||
| 9 |
Auto-cruise control switch input |
MAIN switch: ON |
Approximately 7.0 V |
|
| When input switch has not been operated |
All switches: OFF |
3.5 -
5.0 V |
||
| When input switch is pushed down |
SET switch: ON |
0.4 -
2.3 V |
||
| When input switch is pushed up |
RESUME switch: ON |
2.3 -
3.5 V |
||
| When input switch is pulled forward |
CANCEL switch: ON |
0.4 V or less |
||
| 10 |
Vehicle speed signal input |
When vehicle is moved forwards and backwards, signal turns ON and OFF repeatedly |
When signal is ON |
0 V |
| When signal is OFF |
8 -
12 V* |
|||
| 12 |
Auto-cruise control-ECU power supply |
Ignition switch: ON MAIN switch: ON |
System voltage |
|
| 13 |
Inhibitor switch input |
Select lever: Other than N or P range |
System voltage |
|
| Select lever: N or P range |
0 V |
|||
| 14 |
Earth |
At any time |
0 V |
|
| 15 |
Auto-cruise control indicator lamp input |
MAIN switch: ON (When indicator lamp is illuminated) |
0 V |
|
| MAIN switch: OFF (When indicator lamp is switch off) |
System voltage |
|||
| 16 |
Auto-cruise vacuum pump motor input |
When driving at constant speed using the SET switch |
Motor stopped/running |
System voltage/0 V |
| When accelerating with the RESUME switch while driving at constant speed |
Motor stopped/running |
System voltage/0 V |
||
| When decelerating with the SET switch while driving at constant speed |
Motor stopped |
System voltage |
||
| When cancelling constant speed driving with the CANCEL switch |
Motor stopped |
System voltage |
||
NOTE: *: Auto-cruise control-ECU terminal No.10 is sending a voltage of 5 volts to the vehicle speed signal system circuit. However, as higher voltage is mixed through the circuit a voltmeter will show 8 -
12 V.