NOTE: Mazda6 may come with factory or accessory installed auto-dimming mirror. If the unit is factory installed, look in the wiring diagram for wiring information, if the unit is port or dealer installed, then the wiring information in this bulletin applies. Not Applicable, Millenia and Mazda6 are factory equipped with an ambient temperature sensor for the AC system. New location for more accurate temperatures: attached to lower engine plastic shield behind horn. The forward facing sensor detects ambient light.
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NOTE: Mazda6 may come with factory or accessory installed auto-dimming mirror. If the unit is factory installed, look in the wiring diagram for wiring information, if the unit is port or dealer installed, then the wiring information in this bulletin applies. Not Applicable, Millenia and Mazda6 are factory equipped with an ambient temperature sensor for the AC system. New location for more accurate temperatures: attached to lower engine plastic shield behind horn.
The forward facing sensor detects ambient light. This is to determine day or night time. This sensor will dim the mirror during night driving. NOTE: The forward sensor dims in proportion to how dark it is. If the forward sensor is covered entirely, the mirror defaults to its darkest setting. The rear facing sensor detects light coming from vehicle headlights from behind. The rear facing sensor is used to darken the mirror further when headlights are detected.
Pin 1 of mirror head 7-pin connector, connects through a 1amp fuse to ignition ON from sub-connector in vehicle fuse panel. Pin2 of mirror head 7-pin connector, connects to body ground at an eylet in the left kick panel area. C6: Verify no large metallic objects, buildings, electrical power lines, or magnets are near the electronic compass or vehicle.
NOTE: There are 2- different types of mirror setting controls the first type is done by pressing and holding an external switch, the other type is done using a paperclip to press an internal switch. Now press and release the switch on the right side of the mirror until the correct zone for your region is displayed 1 through Use the map below to select the correct zone. NOTE: This setting must be adjusted every time a customer passes through 3 zones. NOTE: The area must be large enough to drive the vehicle in a circle several times.
Drive the vehicle slowly in a circle until the word CAL disappears from the display, approximately two to four complete circles in the same direction. NOTE: This calibration is necessary when the mirror with compass is initially installed in a vehicle and when a vehicle travels through 3 or more zones.
If the temperature display shows OC, the sensor is either internally an open circuit or there is an open in one of the sensor wires. E5: Use a DVOM, inspect continuity between Pin B Black at the temperature sensor and Pin 6 or 7 Black - varies depending on initial assembly, wires are not polarity specific, verify wire color.
If the temperature display shows SC, the sensor is either shorted internally, the sensor signal 5 wire is shorted to B, or the sensor wires are shorted together. NOTE: Due to the temperature display smoothing feature, you may have to wait at least seconds for the temperature display to change after the sensor is disconnected.
The temperature sensor is mounted in front of the bumper area. Due to its location, the sensor can be affected by road or engine heat during idling or slow driving. Adaptation to ambient temperature takes place in steps through time filtering and depends on the prevailing driving conditions and amount of temperature change. Because of the filtering, the display will take up to 3 minutes to update to ambient temperature if the current ambient temperature is higher than the previous time the vehicle was turned on.
NOTE: Place the temperature sensor in a cup of Ice water or heated water to check its range of operation and compare it to an analog thermometer. Indicated temperatures just above freezing do not guarantee that the road surface is free of ice.
Compare resistance value of temperature sensor with ambient temperature using the chart below and a thermometer. NOTE: Verify customer expectations about sensor operation are within the operating parameters explained above. Spliced Wire Color. Lower left mounting screw of in vehicle fuse box JB Joint Box. Bolt behind left kick panel. Left bolt of hood release handle. Ground 2 JC above n vehicle fuse box. Page 16 in Wiring Diagram. Center front of vehicle, behind grill, on radiator core support, near top.
Old location: behind passenger side of grill next to horn. Front driver side, under bumper, above tow hook. Driver side, under front bumper, 2 inches in-board of tow hook. Mounted to hole near bottom driver side of radiator between grill and radiator. Center front of vehicle, behind grill, on radiator core support.
Mirror face does not dim or Mirror Inoperative or Loss of Power. Mirror is switched off. Mirror has an open circuit in the Ignition power wire. Mirror has an open circuit in the ground wire. Mirror failed. Mirror face is always dim. The forward facing photo sensor is blocked. External metalic or magnetic interference. Incorrect zone setting. Compass not calibrated. Compass is switched off Mirror has an open circuit in the Ignition power wire.
OC is shown in temperature display. Temperature sensor is not connected. Internal open circuit inside temperature sensor. Open circuit in temperature sensor wires. SC is shown in temperature display. Temperature sensor wires are shorted together. Temperature sensor wire shorted to ground BG Internal short in temperature sensor. User not familiar with temperature sensor filtering. Sensor is mounted incorrectly. Temperature sensor failed. High resistance in temperature sensor wires.
Segments of display LEDs do not work. Display is always dim. Forward facing photo sensor opening is blocked. Loss of B Loss of ground Remote not programmed correctly Homelink button or unit failure. A1: Turn the ignition ON. Is green LED on? YES NO. Go to A3 Go to A2. Go to A3 Go to A4.
A3: Cover forward facing light sensor in back of mirror. Does mirror face dim? Test finished, mirror functional Replace mirror head. A4: Remove 7-pin connector from back of mirror.
Turn ignition to ON. Use a DVOM to measure voltage between pins 1 and 2. Is voltage between 9 and 16 Volts? Replace mirror head. Go to A5. A5: Inspect 1-amp fuse. Is fuse blown? Repair short to ground in ignition feed, then go to A1 Go to A6. A6: Verify correct harness connections to vehicle ignition power supply and ground.
Was a problem found? Repair wiring harness concern, then go to A1 Go to A1. B1: Is anything blocking the the photo-sensor opening on the front of the mirror? Remove the obstruction and verify that the mirror no longer dims Replace the mirror head. C1: Is compass display switched on? Turn ignition on. Press compass on button.
Does Compass turn on? Go to C2 Go to A1. C2: Is compass pod snapped onto mirror mount?
To improve the durability and integrity of repairs on 2 — model year Sequoia. Start the engine. Inspect the compressor for a metallic rattle sound. If a metallic rattle sound is heard, replace the compressor assembly. Inspect magnetic clutch condition.
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