Physical Values
|
Terminal No. (Wire color) |
Description |
Condition |
Value (Approx.) |
||
|
+ |
- |
Signal name |
Input/Output |
||
|
2 (R) |
9 (B) |
Fuel pump activation request signal |
Input |
Ignition switch: ON |
12 V |
|
Engine is running |
0 V |
||||
|
3 (L) |
-- |
Drivetrain CAN-H |
Input/Output |
-- |
-- |
|
4 (V) |
-- |
Drivetrain CAN-L |
Input/Output |
-- |
-- |
|
5 (SB) |
9 (B) |
Ignition power supply |
Input |
Ignition switch: ON |
Battery voltage |
|
6 (Y) |
-- |
Sensor ground (Fuel pressure sensor) |
-- |
-- |
-- |
|
7 (R) |
9 (B) |
Fuel pressure sensor signal |
Input |
Ignition switch: ON |
1.5 V |
|
Engine is running |
1.9 V |
||||
|
8 (LG) |
6 (Y) |
Sensor power supply (Fuel pressure sensor) |
Output |
Ignition switch: ON |
5 V |
|
9 (B) |
-- |
Ground |
-- |
-- |
-- |
|
10 (L) |
9 (B) |
Ignition power supply (MAIN RELAY) |
Input |
Always |
Battery voltage |
|
11 (G) |
-- |
Fuel pump ground |
-- |
-- |
-- |
|
12 (O) |
9 (B) |
Fuel pump control signal (PWM) |
Output |
Ignition switch: ON |
0 V |
|
Engine is running (at idle) |
7 V |
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: Average voltage for pulse signal (Actual pulse signal can be confirmed by oscilloscope.)
*: Before measuring the terminal voltage, confirm that the battery is fully charged. Refer to How to Handle Battery .