COMMON RAIL SYSTEM
V3800-CR-TE4,V3800-CR-TIE4, DM
1-S175
9Y1200192CRS0712US0
1. Check the Boost Pressure Signals
1. Place the key switch in the OFF position, attach the diagnosis
tool to the CAN1 connector, and return the key switch to the ON
position again. Then, check the "Boost pressure" and "Boost
pressure sensor output voltage" on the diagnosis tool data
monitor.
2. Next, start the engine, change the depressed amount of the
accelerator pedal, and check the same items again.
NOTE
• Reference value (Factory specification) has complete
linearity.
9Y1200192CRS0299US0
(1) Terminal A-VCC2
(2) Terminal PIM
(3) Terminal A-GND4
(a) Terminal Layout
(b) Boost Pressure Sensor
(c) ECU Connector 1
(A: 96 Pin)
Factory specification
Engine state
Actual boost pressure
Output voltage
Key switch is ON
Approx. 100 kPa
(1.02 kgf/cm
2
, 14.5 psi)
Approx. 1.0 V
After engine start-up
100 to 180 kPa
(1.02 to 1.83 kgf/cm
2
,
14.5 to 26.1 psi)
1.0 to 2.2 V
OK
Clear the DTC and check whether it is output again or not.
OK
Normal.
NG
Replace the ECU.
NG
Go to "2. Measure the ECU Terminal Voltage".
(a) CAN1 Connector
KiSC issued 05, 2012 A
