Fusion AWD L4-2.3L (2008)
Driver/Vehicle Information Display: Pinpoint Tests
Test A: The Message Center Is Not Operating Correctly
PINPOINT TEST A: THE MESSAGE CENTER IS NOT OPERATING CORRECTLY
Normal Operation
The message center displays information about total odometer, trip odometers and compass information after instrument cluster (IC) prove-out. With
the ignition in the ON position, the message center displays important vehicle information through a constant monitoring of vehicle systems. Pressing
the message center switch notifies the operator of potential vehicle conditions with a display of system warnings.
This pinpoint test is intended to diagnose the following:
-
Message center switch concern
-
Instrument cluster (IC)
A1-A2
Test B: The Message Center Switch Does Not Operate Correctly
PINPOINT TEST B: THE MESSAGE CENTER SWITCH DOES NOT OPERATE CORRECTLY
Normal Operation
The message center switch is hardwired to the instrument cluster (IC) through circuits CMC29 (GN/VT) and RMC27 (WH/BN). To communicate the
requested switch function, each message center switch button uses a different resistance value, allowing the instrument cluster (IC) to determine which
switch is pressed.
This pinpoint test is intended to diagnose the following:
-
Wiring, terminals or connectors
-
Message center switch
-
Instrument cluster (IC)
