Inspection Procedure: P0201, P0202, P0203 And P0204; Inspect The Engine Ecu Connector, Injector Connector; Inspect Disconnection Of The Engine Ecu Harness - Hino Motors HINO 155 series Workshop Manual

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INSPECTION PROCEDURE: P0201, P0202, P0203 and P0204

1

Inspect the engine ECU connector, injector connector

Was any failure found?
Connect securely, repair if needed.
Perform "After-inspection work" of INFOR-
MATION section.
2

Inspect disconnection of the engine ECU harness

E15 E16
E14
C
E34 E36 E38
E35
#1 injector
#1 (E15) – IJ1+(E14)
#1 (E15) – I1+S(E34)
#10 (E35) – IJ1+(E14)
#10 (E35) – I1+S(E34)
Do the measurements meet the standard value?
Go to step 3.
ENGINE (J05E)/TROUBLESHOOTING
1.
YES
1.
E18 E20
E19
2.
3.
E40
E39
SHTS021270300314
#2 injector
#4 (E20) – IJ2+ (E18)
#4 (E20) – I2+S (E38)
#40 (E40) – IJ2+ (E18)
#40 (E40) – I2+S (E38)
YES
Inspect the connection of the engine ECU connector and the tar-
get's injector connector (looseness and poor contact).
Go to step 2.
Set the starter key to the "LOCK" position.
Connect the signal check harness to the engine ECU. (Do not con-
nect the harness to the ECU.)
Use the electrical tester to measure the resistance between the
terminals of the engine ECU (signal check harness).
Measurement
conditions connections
Engine ECU (sig-
nal check har-
Starter key: LOCK ness)
Refer to the injec-
tor's table
<Injector's table>
#3 injector
#2 (E19) – IJ2+ (E18)
#2 (E19) – I2+S (E38)
#20 (E39) – IJ2+ (E18)
#20 (E39) – I2+S (E38)
Go to step 4.
NO
Tester
Standard values
2 
#4 injector
#3 (E16) – IJ1+ (E14)
#3 (E16) – I1+S (E34)
#30 (E36) – IJ1+ (E14)
#30 (E36) – I1+S (E34)
NO