Finishing Self-diagnosis Mode
Self-diagnosis mode is canceled when turning ignition switch OFF.
Scheme 374
- Turn ignition switch to the ON position.
- Turn the audio unit off.
- While pressing the "1" button, turn the volume control dial clockwise or counterclockwise 30 clicks or more. When the self-diagnosis mode is started, diagnosis default screen is displayed. NOTE: Diagnosis default screen = All icons and segments of the audio unit are turned on.
- Press the "RPT/RDM" switch to generate a test tone in a speaker. Press the "RPT/RDM" switch again to generate a test tone in the next speaker. SPEAKER CHANNEL CHECK ITEM DESCRIPTION Mode Description FR LEFT TWEETER Outputs test tone from front door speaker LH. Test tone frequency is high range. FR RIGHT TWEETER Outputs test tone from front door speaker RH. Test tone frequency is high range. FR RIGHT Outputs test tone from front door speaker RH. Test tone frequency is mid range. RR RIGHT Outputs test tone from slide door speaker RH. Test tone frequency is mid range. RR LEFT Outputs test tone from slide door speaker LH. Test tone frequency is mid range. FR LEFT Outputs test tone from front door speaker LH. Test tone frequency is mid range.
- Press the "RPT/RDM" switch with a long press to back to diagnosis default screen.
Self-diagnosis mode is canceled when turning ignition switch OFF.
Scheme 375
AUDIO UNIT: Diagnosis Procedure
- CHECK FUSE Check for blown fuses. Power source Fuse No. Battery 35 Ignition switch ACC or ON 19 Is inspection result normal? YES: GO TO 2. NO: Be sure to eliminate cause of malfunction before installing new fuse.
- CHECK POWER SUPPLY CIRCUIT Check voltage between audio unit harness connectors and ground. Signal name Audio unit Probe Condition Standard Reference value Terminal Connector (+) (-) Ignition switch Battery power supply M141 19 Ground OFF 10.8 - 15.6 V Battery voltage ACC power supply 7 ACC Is inspection result normal? YES: INSPECTION END NO: Check harness between audio unit and fuse.