Hino Motors HINO 155 series Workshop Manual page 829

3
Inspect the EGR valve power supply
+B
E
Do the measurements meet the standard value?
Replace the EGR valve, and go to step 4.
4 Check the DTC detected 2 (Engine ECU)
Has DTC (P14B3 or P14B4) been detected?
Replace the ECU.
Perform "After-inspection work" of INFOR-
MATION section.
ENGINE (J05E)/TROUBLESHOOTING
1. Set the starter key to the "LOCK" position.
2. Disconnect the EGR valve connector.
3. Set the starter key to the "ON" position.
4. Use the electrical tester to measure the voltage between the termi-
nals of the EGR valve vehicle side connector.
SHTS021270300716
Starter key: ON
YES
1. Set the starter key to the "ON" position.
2. Select [Engine] and check if the DTC (P14B3 or P14B4) has been
detected.
SHTS021270300717
YES
Measurement Tester
conditions connections
EGR valve vehicle
side connector
+B – E
Check the wire harness (actuator power sup-
ply and ground).
Repair or replace parts as needed.
Perform "After-inspection work" of INFOR-
MATION section.
Procedure completed.
Perform "After-inspection work" of INFOR-
MATION section.
2–793
Standard values
10 – 16 V
NO
NO