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1-32 HOW TO HANDLE THE VEHICLE
* DE12TIS Engine
1. How to read engine diagnostic codes
The process of flashing all the inactive codes will repeat until the conditions for code
flashing are no longer satisfied.
2. Engine diagnostic codes
Codes
15
21
22
23
16
14
13
12
11
https://www.truck-manuals.net/
Code 21(CEL Inactive codes)
CEL
CEL
2 Flashes
Prestroke acutuator power error
Coolant temperator sensor error
Fuel Rack sensor error
Engine speed sensor error
Prestroke offset learning error
Prestroke sensor error
Prestroke control servo error
2) DE12TIS Engine
1. Check Engine Indicator comes on while ignition
key positioned ON when engine problem occurs.
Such problems are to be displayed by the codes.
2. 1 pin connector in white can be a substitute for
engine diagnosis switch on ECU connector.
Caution
Do not remove lead seal of 1 pin connector in black,
Memory clear connector. Warranty conditions are not to
be effective in this case.
⇔
CEL
1 Flash
Description
Intake air heater error
No inactive codes
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Troubleshooting
