2.Earth terminal (8) and then measure the terminal voltage.
4WD INDICATOR-ECU |
|
1.Measure the voltage with
the control unit and harness still
connected. 2.Earth terminal (8) and then measure the terminal voltage. |
| Terminal
No. |
Inspection
item |
Ignition
switch |
Transfer shift
position |
Terminal
voltage |
| 1 |
2WD/4WD detection
switch |
ON |
2H (2WD
state) |
System
voltage |
| 4H, 4HLc, 4LLc (4WD
state) |
1 V or
less |
|||
| 2 |
4WD operation
detection switch |
ON |
2H |
System
voltage |
| 4H, 4HLc,
4LLc |
1 V or
less |
|||
| 3 |
Ignition
switch |
ON |
- |
System
voltage |
| OFF |
- |
1 V or
less |
||
| 4 |
Centre differential
lock indicator lamp |
ON |
2H, 4H |
1 V or
less |
| 4HLc, 4LLc |
System
voltage |
|||
| 5 |
Rear wheel indicator
lamp |
ON |
While switching
between 4HLc and 4LLc |
1 V or
less |
| 2H, 4H, 4HLc,
4LLc |
System
voltage |
|||
| 6 |
High/low detection
switch |
ON |
While switching
between 4HLc and 4LLc |
System
voltage |
| 2H, 4H, 4HLc,
4LLc |
1 V or
less |
|||
| 7 |
Centre differential
lock operation detection switch |
ON |
4HLc, 4LLc |
1 V or
less |
| 2H,
4H* |
System
voltage |
|||
| 8 |
Earth |
1 V or
less |
||
| 9 |
Centre differential
lock detection switch |
ON |
4HLc, 4LLc |
1 V or
less |
| 2H,
4H* |
System
voltage |
|||
| 10 |
Front wheel indicator
lamp |
ON |
2H |
1 V or
less |
| 4H, 4HLc,
4LLc |
System
voltage |
|||
|