38
Group 23 EDC III
Diagnostic function
111 Code 7.1
Cause:
Unit injector cylinder #1. Electronic error.
Response:
The engine runs on 5 cylinders, sounds
uneven and has decreased performance.
Corrective action:
•
Check that the wiring to the unit injectors is not
damaged.
•
Check that the connections to the unit injector are
not damaged.
112 Code 7.1
Cause:
Unit injector cylinder #1. Electronic error.
Response:
The engine runs on 5 cylinders, sounds
uneven and has decreased performance.
Corrective action:
•
Check that the wiring to the unit injectors is not
damaged.
•
Check that the connections to the unit injector are
not damaged.
113 Code 7.1
Cause:
Unit injector cylinder #1. Electronic error.
Response:
The engine runs on 5 cylinders, sounds
uneven and has decreased performance.
Corrective action:
•
Check that the wiring to the unit injectors is not
damaged.
•
Check that the connections to the unit injector are
not damaged.
114 Code 7.1
Cause:
Error in compression or the unit injector on cy-
linder #1.
Response:
Cylinder balance is adversely affected ->
Uneven running at low RPM and low load.
Corrective action:
•
Check the fuel feed pressure.
•
Check the valve clearance.
•
Check that the unit injector and connection cable
are not damaged.
•
Do a compression test and check cylinder #1.
115 Code 7.1
Cause:
Unit injector cylinder #1. Electronic error.
Response:
The engine runs on 5 cylinders, sounds
uneven and has decreased performance.
Corrective action:
•
Check the contact pressure in sleeve 11 in the
black cable glove of the engine control unit
(ECU).
•
Check that the wiring to the unit injectors is not
damaged.
•
Check that the connections to the unit injector are
not damaged.
120 Code 7.2
Cause:
Unit injector cylinder #2. Electronic error.
Response:
The engine runs on 5 cylinders, sounds
uneven and has decreased performance.
Corrective action:
•
Check that the wiring to the unit injectors is not
damaged.
•
Check that the connections to the unit injector are
not damaged.
121 Code 7.2
Cause:
Unit injector cylinder #2. Electronic error.
Response:
The engine runs on 5 cylinders, sounds
uneven and has decreased performance.
Corrective action:
•
Check that the wiring to the unit injectors is not
damaged.
•
Check that the connections to the unit injector are
not damaged.
122 Code 7.2
Cause:
Unit injector cylinder #2. Electronic error.
Response:
The engine runs on 5 cylinders, sounds
uneven and has decreased performance.
Corrective action:
•
Check that the wiring to the unit injectors is not
damaged.
•
Check that the connections to the unit injector are
not damaged.
