ENGINE (J05E)/TROUBLESHOOTING
2–759
1.
Set the starter key to the "ON" position.
2.
Use the electrical tester to measure the voltage between the termi-
nals of the differential pressure sensor vehicle side connector.
NO
YES
1.
Set the starter key to the "LOCK" position.
2.
Connect the signal check harness to the engine ECU vehicle side
harness. (Do not connect the harness to the ECU.)
3.
Use the electrical tester to measure the resistance between the
terminals of the engine ECU (signal check harness) and ground.
NO
YES
4
Inspect the power supply of the sensor
VC
E2
SHTS021270300687
Measurement
conditions
Tester
connections
Standard values
Starter key: ON
Differential pres-
sure sensor vehi-
cle side connector
VC
–
E2
4.5
–
5.5 V
Do the measurements meet the standard value?
Go to step 5.
Go to step 7.
5
Inspect for short-circuit of the differential pressure sensor harness
B
V70
V71
V46
SHTS021270300688
Measurement
conditions
Tester
connections
Standard values
Starter key: LOCK
Engine ECU (sig-
nal check har-
ness)
VCP1 (V71)
–
Ground
PEX (V70)
–
Ground
EP1 (V46)
–
Ground
Do the measurements meet the standard value?
Go to step 6.
Repair or replace the harness.
Perform "After-inspection work" of INFOR-
MATION section.