Autodata - Diagnostic Trouble Codes Fault locations and probable causes - 2004 edition

Model:
Favorit VanlForman Pick
Year: + 07/93
Engine code: 781.1358, 781.1368
System: Bosch Mono-Motronic MA1.2.2
Engine management
Engine b
General information
0 Refer to the front of this manual for general test conditions,
terminology, detailed descriptions of wiring faults and a
general trouble shooter for electrical and mechanical faults.
Trouble codes are displayed by using an LED connected to
the data link connector (DLC).
0 The ECM fault memory can also be checked and erased
using diagnostic equipment connected to the data link
connector (DLC).
Carry out road test for at least 10 minutes.
0 Ensure accelerator pedal is briefly fully depressed and
engine speed exceeds 3000 rpm.
Accessing
Ensure ignition switched OFF.
Bridge data link connector (DLC) terminals 1 and 4 with a
switched lead - contacts normally open 8.
NOTE: DLC terminal I is connected to ECM terminal 11.
Connect LED test lamp between data link connector (DLC)
terminals 3 and 5 8.
NOTE: DLC terminal 3 is connected to ECM terminal 4.
Start engine. Allow to idle.
NOTE: If engine does not start: Crank engine for 6 seconds.
Leave ignition switched ON.
Operate switch for 4 seconds minimum.
Release switch. Check that LED flashes.
Count LED flashes. Note trouble code.
Each trouble code consists of four groups of one to four
flashes.
A 2,5 second pause separates each trouble code group [A].
Repeat switch operation. Note trouble codes. Compare with
trouble code table.
End of test sequence indicated by trouble code 0000
(long flashes).
Switch ignition OFF. Rectify faults as necessary.
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