Mustang V6-4.0L (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 display is located below the speedometer in the instrument cluster (IC). The message center functionality is controlled through the
message center switches, which are hardwired to the instrument cluster (IC) through circuits 1410 (TN/OG) and 1411 (GY/OG). The message center
switches use a different resistance value for each switch, allowing the instrument cluster (IC) to determine which switch is pressed.
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 assembly uses circuits 1410 (TN/OG) and 1411 (GY/OG) to communicate the requested switch function to the message
center.
-
DTC B1205 (EIC Switch-1 Assembly Circuit Failure) - is an on-demand DTC that sets if the instrument cluster (IC) detects any of the message
center buttons pressed during the self-test.
This pinpoint test is intended to diagnose the following:
-
Wiring, terminals or connectors
-
Message center switch
-
Instrument cluster (IC)
