Inspect The Fuel Cut Valve Unit; Inspect For Short-Circuit Of The Fuel Cut Valve Harness - Hino Motors HINO 155 series Workshop Manual

3

Inspect the fuel cut valve unit

FCV
Do the measurements meet the standard value?
Go to step 4.
4

Inspect for short-circuit of the fuel cut valve harness

C
BODY GND
E31
Do the measurements meet the standard value?
Go to step 5.
ENGINE (J05E)/TROUBLESHOOTING
1. Set the starter key to the "LOCK" position.
2. Disconnect the fuel cut valve connector.
BODY GND
3. Use the electrical tester to measure the resistance between the
terminals of the fuel cut valve FCV and ground.
Starter key: LOCK
SHTS021270300101
YES
1. Connect the signal check harness to the engine ECU (Do not con-
nect the harness to the ECU).
2. Use the electrical tester to measure the resistance between the
terminals of the engine ECU (signal check harness) FCV (E31)
terminal and ground.
Starter key: LOCK
SHTS021270300102
YES
Measurement Tester
conditions connections
Fuel cut valve
FCV – Ground
Replace the fuel cut valve.
Perform "After-inspection work" of INFOR-
MATION section.
Measurement Tester
conditions connections
Engine ECU (sig-
nal check har-
ness)
FCV (E31) –
Ground
Repair or replace the harness.
Perform "After-inspection work" of INFOR-
MATION section.
2–111
Standard values
20 C {68 F}:
8.0 – 9.2 
NO
Standard values
 
NO