Reading and Clearing Diagnostic Trouble Codes

SPEAKER WALK-AROUND TEST - M100 AM/FM

NOTE: The audio unit must be turned on to enter the speaker walk-around test.

1. To enter the speaker walk-around test, depress the preset buttons 1 and 3 simultaneously and hold approximately three seconds and release.
2. The speaker walk-around test stops at each speaker and applies sound to each speaker for about one to two seconds. Each speaker is tested in the following sequence: RH, LH.
3. To exit the speaker walk-around test, turn the ignition switch off or turn the audio unit off.
4. If the concern remains and the fault is not detected, proceed to the Symptom Chart to continue diagnostics. Symptom Related Diagnostic Procedures

Speaker Walk-Around Test - M100 AM/FM Single Compact Disk Audio Unit

NOTE: The audio unit must be turned on and in radio tuner mode (AM/FM) to enter the speaker walk-around test.

1. To enter the speaker walk-around test, depress preset buttons 3 and 6 simultaneously and hold approximately three seconds and release.
2. The speaker walk-around test stops at each speaker and applies sound to each speaker for about one to two seconds. Each speaker is tested and shown on the display in the following sequence: RF, LF, LR, RR.
3. To exit the speaker walk-around test, turn the ignition switch off, turn the audio unit off, or preset button 1 for "DIA".
4. If the concern remains and the fault is not detected, proceed to the Symptom Chart to continue diagnostics. Symptom Related Diagnostic Procedures

Speaker Walk-Around Test - Tremor 2 Audio Unit, DM100i, CDX6, and M100 AM/FM Single Compact Disk Audio Unit

NOTE:
- The audio unit must be turned on and in radio tuner mode (AM/FM) to enter the speaker walk-around test (M100 only) or the Tremor 2 Audio Unit, DM100i or CDX6 self-diagnostic mode.
- The Tremor 2 Audio Unit, DM100i or CDX6 self-diagnostic mode can only be entered while in the speaker walk-around test.

1. To enter the speaker walk-around test, depress preset buttons 3 and 6 simultaneously and hold approximately three seconds and release.
2. The speaker walk-around test stops at each speaker and applies sound to each speaker for about one to two seconds. Each speaker is tested and shown on the display in the following sequence: RF, LF, LR, RR.
3. To exit the speaker walk-around test, turn the ignition switch off, turn the audio unit off, or press preset buttons 1 for "DIA".

4. NOTE: Always document, clear, and carry out the Tremor 2 Audio Unit, DM100i or CDX6 self-test again.

The Tremor 2 Audio Unit, DM100i and CDX6 Self-Diagnostic Mode has six manual tests available:
- Preset button 1 = ENTER DIAGNOSTICS. This test enters diagnostics from the speaker walk-around test. Metrics are available with SEL and ON buttons indicating time played in AM/FM, media, number of buttons pressed, etc.
- Preset button 2 = FEPROM BLOCK STATUS. This test shows validity of memory to calibrate the clock and seek sensitivity.
- Preset button 3 = EXIT DIAGNOSTICS.
- Preset button 4 = Software configuration level. This test queries each radio system controller for its software configuration level.
- Preset button 5 = DISPLAY TEST. This test lights all the DM100i display segments for five seconds and then turns all segments off.
- Preset button 6 = RAM CONTENTS READOUT. To enter these tests, depress Preset button 1 while in the speaker walk-around test, then press the desired preset button.

5. To exit the Tremor 2 Audio Unit, DM100i or CDX6 Self-Diagnostic Mode, turn the ignition switch off or turn the DM100i or CDX6 off.
6. If the concern remains and the fault is not detected, proceed to the Symptom Chart to continue diagnostics. Symptom Related Diagnostic Procedures