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Peugeot Reading codes
Connect
a switched jumper to wire 17 of connector M720 which is the green 2 pin
connector. Connect the other terminal of the switched jumper to a good
ground source.
Turn
the ignition switch to the "RUN" (ON) position.
Close
the switched jumper for 3 seconds. The "CHECK ENGINE"
indicator will come on. Open the "switched jumper" and the
"CHECK ENGINE" indicator will:
Blink oncefor: 1__ (tens)
Remainofffor: 1.5 seconds
Blink twicefor: __2 (units)
Thus, a code 12 which indicates
the beginning of the "TEST" sequence has been displayed.
Wait
for the "CHECK ENGINE" light to come on continuously.
Close
the switched jumper for 3 seconds. The "CHECK ENGINE"
indicator will come on. Open the "switched jumper" and the
"CHECK ENGINE" indicator will:
Blink (tens)
Remainofffor: 1.5 seconds
Blink (units)
Remember the first set of flash
codes is the (tens) and the second set of flash codes is the (units). The
combination of the (tens)+(units) is the displayed fault code. Takenote of
all the stored codes.
Repeat
steps 4 and 5 until a code 11 is displayed. Up to 5 codes may be stored in
the fault memory. Code 11 signals the end of the test sequence and there
are no other codes stored. Refer to the fault
code chart.
Repair
the indicated faults or repeat the test. Be sure to disconnect the
"switched jumper" and turn the ignition switch to the
"OFF" position before attempting repairs. Disconnecting
components and wiring harness connectors with the ignition switch in the
"RUN" (ON) position may set additional codes and cause permanent
damage to the Motronic system.
To
erase the fault code memory turn the ignition switch to the
"RUN" (ON) position.
Perform
a test sequence up to a code 11
Depress
the switched jumper for more than 10 seconds
The "CHECK ENGINE"
indicator should be "ON" and all fault codes should have been
cleared.