| 1. | Turn the ignition switch to ACC (I) or ON (II). |
| 2. | While holding down the up of both ‘‘REW'' and ‘‘DISK+'' buttons simultaneously, press the power switch. |
| 3. | The following BUS communication DTC will appear on the sudio unit dispaly. |
| 4. | By turning on a switch while the DTC is displayed, the input will trigger the DTC mode that is assigned to that switch. PLAY/PROG switch Entire LCD lighting mode: Lighting the entire LCD to show the presence or absence of an LCD failiure. NR switch Entire LCD lights-out mode: Turning off the entire LCD to show the presence or absence of an LCD failure. DISK+switch Display I2C-BUS communication verification status: TO display the validity verification of the communication among the DISP, EEPROM and TUNER. |
| 5. | DTC mode will cancel when the audio main power switch is turned OFF or the ignition switch is turned OFF. |
| No. | Verification items | Verification results |
|---|---|---|
| 1 | Entire LCD lighting | ——— |
| 2 | Entire LCD lights-outs | ——— |
| 3 | I2C-BUS communication verification status | DSP communication OK |
| 4 | DSP communication NG | |
| 5 | EEPROM communication OK | |
| 6 | EEPROM communication NG | |
| 7 | TUNER communication OK | |
| 8 | TUNER communication |
Display Specifications