Inspection Procedure: P0671 And P0672; Inspect The Fusible Link (Glow); Inspect The Power Supply Wire Harness Of The Glow Control Unit (Gcu) - Hino Motors HINO 155 series Workshop Manual

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INSPECTION PROCEDURE: P0671 and P0672

1

Inspect the fusible link (GLOW)

Was any failure found?
Connect the fusible link correctly or replace
it.
Perform "After-inspection work" of INFOR-
MATION section.
2

Inspect the power supply wire harness of the glow control unit (GCU)

+B
GND
Do the measurements meet the standard value?
Go to step 3.
ENGINE (J05E)/TROUBLESHOOTING
1. Check for fusing and improper fit.
YES
1. Set the starter key to the "LOCK" position.
2. Disconnect the GCU connector.
3. Use the electrical tester to measure the voltage between the termi-
nals of the GCU vehicle side connector.
Starter key: LOCK
SHTS021270300629
YES
Go to step 2.
Measurement Tester
conditions connections
GCU vehicle side
connector
+B – GND
Repair or replace the wire harness in the
glow control unit power supply circuit
(between the fusible link and the control
unit).
Perform "After-inspection work" of INFOR-
MATION section.
NO
Standard values
10 – 16 V
NO