Microphone signal circuit
Audio unitHVAC branch line circuit
Diagnosis Procedure
1.CHECK CONNECTOR
Turn the ignition switch OFF.
Disconnect the battery cable from the negative terminal.
Check the terminals and connectors of the A/C auto amp. for
damage, bend and loose connection (unit
side and connector side).
2.CHECK HARNESS FOR OPEN CIRCUI ...
P0451 evap control system pressure sensor
Description
The EVAP control system pressure sensor detects pressure in the
purge line. The sensor output voltage to the ECM increases as pressure
increases
DTC Logic
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
NOTE:
Never remove fuel filler cap during DTC confirmation procedur ...
Audio system
Symptom Table
AUDIO SYSTEM
RELATED TO HANDS-FREE PHONE
Before performing diagnosis, confirm that the cellular phone being
used by the customer is compatible with
the vehicle.
It is possible that a malfunction is occurring due to a version
change of the phone even tho ...