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SYMPTOM TROUBLESHOOTING [RADIO] 09-03E–3 09-03E CONFIRMATION STEP 2: ANTENNA SYSTEM SYMPTOM (EXAMPLE)[RADIO] id0903e3804100 End Of Sie CONFIRMATION STEP 3: ANTENNA SYSTEM SIMPLE INSPECTION[RADIO] id0903e3804200 • Because the antenna system is equipped with a capacitor, the continuity cannot be checked. Therefore proceed with the following simple inspection. 1. Turn the AM radio on. Note • Use a fluorescent light type for the inspection. Accurate diagnostic cannot be 4. If a whirring sound from the speaker synchronized to the work light movement is End Of Sie NO.1 NO RADIO RECEPTION (AM/FM)/NO OR LOW VOLUME[RADIO] id0903e3804300 Diagnostic procedure Possible cause AM reception condition FM reception condition • Antenna feeder axis, open circuit • Antenna feeder plug not attached NG: No reception YES: Reception possible. • Antenna feeder axis (+) to ground (-), open circuit NG: No reception NG: No reception • Antenna feeder and antenna, poor ground YES: Reception possible YES: Reception possible • Antenna feeder, jack and plug poor connection NG: No reception YES: Reception possible acxuuw00000946 1 No radio reception (AM/FM)/no or low volume/Possible DTC: 09:Er20, 09:Er22 POSSIBLE • Jamming from aftermarket electronic equipment (two-way radio, navigation system, mobile phone, etc.) • Audio unit malfunction • Antenna plug poor connection • Antenna feeder malfunction • Electronic jamming from outside, or inferior condition of broadcasting station radio wave • Antenna rod is not installed STEP INSPECTION ACTION 1 • Turn the audio unit ON. • Is the LCD indicated correctly? Yes Go to the Step 3. No Go to the next step. 2 • Measure voltage at B+ and ACC terminals. • Is voltage okay? Specification With ignition switch ON: 11.5 V or more Yes Go to the next step. No Follow diagnostic procedure for symptom No. 2 (Entire 3 • Set volume to 10 to 15. • Is buzzing sound or voice confirmed? Yes Go to the next step. No Follow diagnostic procedure for symptom No. 3 (Entire 4 • Tune to local broadcasting station and check reception condition. • Is reception okay? Yes Go to the next step. No Go to the Step 6. 1871-1U-06B(09-03E).fm 3 ページ 2006年3月16日 木曜日 午後4時10分 |