Toyota Corolla (E120) 2002–2008 Repair Manual / Diagnostics / Cruise control system / Park/neutral position switch circuit / Circuit description
Toyota Corolla (E120): Circuit description
When the shift position is put in except d position, a signal is sent from the park/neutral position switch to the cruise control ecu assy. When this signal is input during cruise control driving, the ecu cancels the cruise control.
Wiring diagram

Other materials:
Inspection
1. Power window system circuit
2. Inspect power window regulator master switch assy
Inspect the master switch continuity.
[Driver’s switch (window unlock and lock)]
Standard:
[Front passenger’s switch (window unlock)]
standard:
[Front passenger’s switch (window lock)]
...
Back up lamp assy lh
Replacement
1. Remove back up lamp assy lh
Remove the service hole cover.
remove the 2 nuts and disconnect the connector.
Using a mouldingremover, remove the 2 clips and back
up light assy lh.
2. Install back up lamp assy lh
Set the 2 clips on the back up ligh ...
Symptom confirmation and diagnostic trouble code
Hint:
the diagnostic system in corolla has various functions. The first
function is the diagnostic trouble
code (dtc) check, in which a malfunction in the signal circuits to the ecu
is stored in code form in
the ecu memory. Another function is the input signal check, which checks if
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