ENGINE (J05E)/TROUBLESHOOTING
2–387
1.
Connect the engine ECU vehicle side harness to the engine ECU.
2.
Set the starter key to the "ON" position.
3.
Use the electrical tester to measure the voltage between the termi-
nals of the boost pressure sensor vehicle side connector.
NO
YES
1.
Perform engine warm up. (engine coolant temperature: 80
C {176
F} or more)
2.
Stop the engine.
3.
Set the starter key to the "ON" position.
4.
Select [Engine] and check if P0237 has been detected.
NO
YES
5
Inspect the boost pressure sensor power supply
VC
E
SHTS021270300346
Measurement
conditions
Tester
connections
Standard values
Starter key: ON
Boost pressure
sensor vehicle
side connector
VC
–
E
4.75
–
5.25 V
Do the measurements meet the standard value?
Go to step 6.
Replace the engine ECU.
6
Check the DTC detected (Engine ECU)
SHTS021270300347
Has DTC P0237 been detected?
Replace the engine ECU.
Perform "After-inspection work" of INFOR-
MATION section.
Procedure completed.
Perform "After-inspection work" of INFOR-
MATION section.