V3800-CR-TE4,V3800-CR-TIE4, DM
4. Measure the Voltage Between Rail Pressure Sensor
Terminals - 2
1. Set the key switch to the OFF position, and unplug the rail
pressure sensor connector from the socket.
2. Place the key switch in the ON position, and measure the
voltage between terminals (1) and (3) of the rail pressure sensor
connector (at the wiring harness side).
Factory
Approx. 5 V
specification
OK
Check the wiring harness connector and sensor pins.
OK
Faulty rail pressure sensor → Replace.
NG
1. Repair or replace the wiring harness.
2. Replace the rail assembly.
NG
Go to "5. Measure the ECU Terminal Voltage".
(1) Terminal A-VCC1
(2) Terminal PFUEL
(3) Terminal A-GND6
5. Measure the ECU Terminal Voltage
1. Move the key switch from the OFF to the ON position, and
measure the voltage between ECU terminals A-24 and A-16.
Factory
Approx. 5 V
specification
OK
Check the harness connectors and ECU pins.
OK
Faulty ECU → Replace.
NG
Repair or replace the wiring harness, or replace the ECU.
NG
Check the wiring harness (between ECU terminal A-24 and sensor
terminal (1) and between ECU terminal A-16 and sensor terminal (3)). →
Repair the faulty area.
1-S165
COMMON RAIL SYSTEM
(a) Terminal Layout
9Y1200192CRS0700US0
9Y1200192CRS0701US0
KiSC issued 05, 2012 A