Hino Motors HINO 155 series Workshop Manual page 652

2–616
4
Inspect for short-circuit of the air flow sensor harness
C
E12
E74
Do the measurements meet the standard value?
Go to step 5.
ENGINE (J05E)/TROUBLESHOOTING
1. Set the starter key to the "LOCK" position.
D
2. Disconnect the air flow sensor connector.
3. Connect the signal check harness to the engine ECU. (Do not con-
nect harness to the ECU.)
E78
4. Use the electrical tester to measure the resistance between the
terminals of the engine ECU and ground.
SHTS021270300563
Starter key: LOCK
YES
Measurement Tester
conditions connections
Engine ECU (sig-
nal check har-
ness)
VAF (E12) –
Ground
VG (E74) – Ground
EVG (E78) –
Ground
Repair or replace the harness.
Perform "After-inspection work" of INFOR-
MATION section.
Standard values
 
NO