Inspect The Gcu Power Supply Circuit - Hino Motors HINO 155 series Workshop Manual

3

Inspect the GCU power supply circuit

+B
GND
BATT
Do the measurements meet the standard value?
Go to step 4.
ENGINE (J05E)/TROUBLESHOOTING
1. Set the starter key to the "ON" position.
2. Use the electrical tester to measure the voltage between the termi-
nals of the GCU vehicle side connector.
Starter key: ON
SHTS021270300639
YES
Measurement Tester
conditions connections
GCU vehicle side
connector termi-
nal – GND
+B – GND
BATT – GND
Inspect the GCU power supply circuit.
Perform "After-inspection work" of INFOR-
MATION section.
2–699
Standard values
10 – 16 V
NO