Kubota 07-CR-E5 - Page 288

COMMON RAIL SYSTEM
07-CR-E5,07-CR-TE5,07-CR-TIE5, DM
1-S250
2. Measure the Voltage Between Sensor Terminals
1. Place the key switch in the OFF position, unplug the accelerator
position sensor connector from the socket, and return the key
switch to the ON position again.
2. Measure the voltage between terminals (1) and (3) of
accelerator position sensor connector (at the machine wiring
harness side).
9Y3200007CRS0381US0
3. Measure the Terminal Voltage
1. Measure the voltage between engine ECU terminals V46 and
V51.
9Y3200007CRS0382US0
4. Measure the Engine ECU Terminal Voltage
1. Place the key switch in the OFF position, and plug the
accelerator position sensor connector into the socket.
2. Place the key switch in the ON position, and measure the
voltage between engine ECU terminals V47 and V46.
NOTE
• "Full close" and "Full open" are with the accelerator
position sensor, not with the accelerator pedal or hand
accelerator.
9Y3200007CRS0383US0
Service
specification
4.5 to 5.5 V
OK Go to "4. Measure the Engine ECU Terminal Voltage".
NG Go to "3. Measure the Terminal Voltage".
(1) Terminal A-VCC11
(2) Terminal APS1
(3) Terminal APS1 GND
(4) Terminal A-VCC10
(5) Terminal APS2
(6) Terminal APS2 GND
(a) Pin Assignment
Service
specification
4.5 to 5.5 V
OK The wiring harness between the engine ECU and sensor is faulty. →
Replace.
NG Check the engine ECU connectors.
OK Faulty engine ECU → Replace.
NG Replace the engine ECU connectors.
Service
specification
Accelerator pedal fully closed: 1.35 V or lower
Accelerator pedal full throttle: 4.0 V or higher
Follow the OEM adjusted value : 1.1 to 1.35 V, 4.0 to 4.2 V
OK Check the engine ECU connectors.
OK Faulty engine ECU → Replace.
NG Replace the engine ECU connectors.
NG Go to "5. Measure the Voltage Between Sensor Terminals".
KiSC issued 03, 2022 A