F 250 2WD LD Pickup V8-4.6L SOHC VIN 6 (1997)
The first digit is output, followed by a one second pause, followed by the next digit. Each digit is made up of 1 to 9 one-second individual chime tones.
The illustration represents the output of the DTC 21.
Central Timer Module Diagnostic Test Mode
NOTE: Central Timer Module (CTM) diagnostics are not accessible with the New Generation Star (NGS) Tester.
The diagnostic test mode is used to test the Central Timer Module (CTM) while the CTM is in the vehicle. While in this mode, Diagnostic Trouble
Codes (DTCs) can be retrieved and cleared and CTM inputs can be individually tested.
NOTE: Normal CTM functions are disabled while in the diagnostic test mode
1. Entering and Exiting Diagnostic Test Mode
The diagnostic test mode is entered by shorting together the pins of the diagnostic connector located behind the right side kick panel.
The CTM returns to the normal mode when the pins of the diagnostic connector are no longer connected.
2. Operation
The diagnostic test mode is made up of the following:
^
Tone and Door Ajar Indicator Test mode.
^
Diagnostic Trouble Code (DTC) Output mode. Input Test mode.
The Tone and Door Ajar Indicator Test mode is run immediately upon entry into the diagnostic test mode. When this is complete, the key-in-ignition
