Entertainment System: Diagnosis Mazda 3 BL

REAR DOOR SPEAKER INSPECTION

1. Verify the resistance between rear door speaker terminals. If the resistance is not within the specification, replace the rear door speaker. Resistance Standard: 4 ohms Bose: 2.15 ohms
2. Connect a 1.5 V battery to the rear door speaker and verify that noise is sound from the rear door speaker. If no sound is output, replace the rear door speaker.

Scheme 5

1. Disconnect the negative battery cable.
2. Remove the inner garnish. (See «INNER GARNISH REMOVAL/INSTALLATION»(ref-345251-S02029267932009102000000) .)
3. Remove the front tweeter.
4. Install in the reverse order of removal.

Scheme 6

1. Verify the resistance between front tweeter terminals. If the resistance is not within the specification, replace the front tweeter. Resistance 4 ohms
2. Connect a 1.5 V battery to the front tweeter and verify that noise is sound from the front tweeter. If no sound is output, replace the front tweeter.

Scheme 7

Scheme 8

1. Verify that sound is output from the front door speaker. If sound is output, go to the next step. If no sound is not output, inspect the front door speaker and the related wiring harnesses.
2. Remove the following parts: Remove the audio amplifier. (See «AUDIO AMPLIFIER REMOVAL/INSTALLATION»(ref-345255-S40225728582009102000000) )
3. Verify that the continuity between the front tweeter and the audio amplifier is as indicated in the table. If the continuity is not as indicated in the table, repair or related wiring harnesses. If the continuity is as indicated in the table, replace the front tweeter.

Scheme 9

1. Disconnect the negative battery cable.
2. Remove the front seat, (passenger-side) (See «FRONT SEAT REMOVAL/INSTALLATION»(ref-345253-S02590681772009102000000) .)
3. Pull the cover outward.
4. Remove in the order indicated in the illustration.
5. Install in the reverse order of removal.

Scheme 10

Scheme 11

1. Verify that the continuity between the audio amplifier and woofer is as indicated in the table. If not as specified in the table, replace the related wiring harnesses.

Scheme 12

1. Disconnect the negative battery cable.
2. Remove the liftgate upper trim. (See «LIFTGATE UPPER TRIM REMOVAL/INSTALLATION»(ref-345251-S30835481962009102000000) .)
3. Remove in the order indicated in the illustration.
4. Install in the reverse order of removal.

Scheme 13

Scheme 14

1. Disconnect the negative battery cable.
2. Remove the following parts: Sunroof seaming welt (Vehicles with sunroof) Console (4 door)(See «CONSOLE REMOVAL/INSTALLATION»(ref-345251-S09223885732009102000000).) A-pillar trim (See «A-PILLAR TRIM REMOVAL/INSTALLATION»(ref-345251-S39724553262009102000000).) Upper anchor of the front seat belt (See «FRONT SEAT BELT REMOVAL/INSTALLATION»(ref-345252-S37398683842009102000000).) Front scuff plate (See «FRONT SCUFF PLATE REMOVAL/INSTALLATION»(ref-345251-S03552764762009102000000).) Rear scuff plate inner (See «REAR SCUFF PLATE REMOVAL/INSTALLATION»(ref-345251-S34770097052009102000000).) B-pillar lower trim (See «B-PILLAR LOWER TRIM REMOVAL/INSTALLATION»(ref-345251-S05968899652009102000000).) B-pillar upper trim (See «B-PILLAR UPPER TRIM REMOVAL/INSTALLATION»(ref-345251-S07634143762009102000000).) Rear seat (See «REAR SEAT REMOVAL/INSTALLATION»(ref-345253-S19841861632009102000000).) Tire house trim (See «TIRE HOUSE TRIM REMOVAL/INSTALLATION»(ref-345251-S27657366472009102000000).) Trunk side upper trim (5 door)(See «TRUNK SIDE UPPER TRIM REMOVAL/INSTALLATION»(ref-345251-S21725102922009102000000).) C-pillar trim (See «C-PILLAR TRIM REMOVAL/INSTALLATION»(ref-345251-S18929710872009102000000).) Map light (See «MAP LIGHT REMOVAL/INSTALLATION»(ref-345247-S18086223702009102000000).) Sunvisor (See «SUNVISOR REMOVAL/INSTALLATION»(ref-345251-S06443361722009102000000).) Assist handle (See «ASSIST HANDLE REMOVAL/INSTALLATION»(ref-345251-S14925466612009102000000).) Headliner (See «HEADLINER REMOVAL/INSTALLATION»(ref-345251-S16496888782009102000000).)
3. Partially peel back the headliner.
4. Remove in the order indicated in the illustration. Without SIRIUS satellite radio system With SIRIUS satellite radio system CALLOUTS FOR see scheme 31 1 Antenna rod 2 Connector 3 Nut 4 Center roof antenna (See «Center Roof Antenna Removal Note»(ref-345255-S25627078362009111000000).)
5. Install in the reverse order of removal.
6. After installation, verify that the rubber of the center roof antenna is installed to the roof panel with no space between them.

CIGARETTE LIGHTER INSPECTION

1. Turn the ignition switch to the ACC position.
2. Press the cigarette lighter into the socket and verify that it returns to its original position in 10-20 s . If the cigarette lighter does not operate normally, replace the cigarette lighter and the socket.