Check The Brake Switch Signal - Hino Motors HINO 155 series Workshop Manual

5

Check the brake switch signal

B
V75
Do the measurements meet the standard value?
Go to step 6.
ENGINE (J05E)/TROUBLESHOOTING
1. Set the starter key to the "LOCK" position.
2. Connect the brake switch connector.
V80
3. Connect the signal check harness to the engine ECU.
4. Set the starter key to the "ON" position.
5. Use the electrical tester to measure the voltage between the termi-
nals of the engine ECU (signal check harness).
SHTS021270300524
Starter key: ON
YES
Measurement Tester
conditions connections
Engine ECU (sig-
nal check har-
ness)
ST1 (V75) –
E04 (V80)
Repair or replace the wire harness between
the brake switch and the engine ECU.
Perform "After-inspection work" of INFOR-
MATION section.
2–573
Standard values
• Depress brake
pedal: 0 V
• Release brake
pedal: 10 V or
more
NO