Ford Corsar Repair Manual page 223

TROUBLE DIAGNOSES
C A -
DIAGNOSTIC PROCEDURE 17
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CODE 31
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PARKINEUTRAL SWITCH (AIT MODELS ONLY)
With the diagnostic plug inserted and the engine having been run an
error code 31 is recorded by the ECM when the ignition is again turned on
This error code 31 is cancelled as soon as the transmission is engaged
into 1,
2,
drive or reverse with the diagnostic plug inserted and
the engine running.
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Ignition off, clear codes.
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Bridge diagnostic plug.
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Run engine, switch ignition off.
Code 31
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Disconnect connector at transmission
connect a jumper between AN36 and
Possibly intermittent look for poor
electrical connection in PIN
switch circuit.
If ok replace
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ECM.
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m
Code 31
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Check terminals
and connectors.
Check parklneutral
switch harness for
open circuit.
Clear codes, run engine for 2 minutes and re-check for codes.
~ a r n b s s and ECM ok.
Replace parklneutral
switch.
m
I*.
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PARKINEUTRAL SWITCH
AF 1 2 i A N 36
ECM
44
43
AN 114
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-
l
DIAGNOSTICS
AN 115
!
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INPUT
L
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