Mitsubishi 6M60-TL Service Manual page 9

HOW TO READ THIS MANUAL
How to Use Diagnostic Codes <Electronically Controlled Fuel System (Gr13E)>
This section suggests areas to
inspect for
code.
There are the diagnostic code and message displayed on Multi-Use Tester.
Numerical values in parenthesis are added only when a diagnostic code indicated in
the Multi-Use Tester display differs from the code indicated by the number of warning
lamp flashes.
P125A: Common Rail Pressure M/V1 (high) (warning lamp flashes: 63)
Code generation criteria
Resetability
Electronic control unit control
Service data
In-
Actuator test
spec-
Electronic control unit
tion
connector
item
Electrical part
The contents of this manual include functions and parts that are not used in your truck depending on
the truck specifications. Please refer to the chassis service manual for the details.
00-6
each diagnostic
MPROP1 (rail pressure control valve) voltage is above standard valve.
System recovers (power is re-supplied to electronic control unit) if signal
becomes normal when starter switch is turned OFF → ON.
• Engine is stopped.
• Exhaust gas recirculation control is stopped.
0C: Difference Common Rail Pressure
B9: Fuel Leak Check
08 : Resistance of MPROP (rail pressure control valve)
#574: MPROP1 (rail pressure control valve)
TROUBLESHOOTING
1. Diagnostic Procedure
2. Diagnostic Precautions
3. Inspections Based On Diagnostic Codes
4. Multi-use Tester Service Data
5. Actuator Tests Performed Using Multi-use Tester
6. Inspections Performed At Electronic Control
Unit Connectors
Refer to "Inspection of Electrical
Equipment."