A8 Sedan V8-3.7L (AEW) (1997)
Radio/Stereo: Diagnostic Aids
Malfunction, Power Mirror Memory, Tilt/Fold-Away Function
Troubleshooting Procedure For Malfunction of Power Mirror Memory, Til and Fold-Away Function
Requirements
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Fuse No. 2 and 8 OK
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Mirrors can be adjusted using mirror adjustment switch
^
Power seat memory functioning
^
Applicable wiring diagram available
Test Equipment
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Test box VAG 1598
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Adapter harness VAG 1598/4
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Adapter harness VAG 1598/13
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Multimeter Fluke 83 (or equivalent)
1. Control modules, locations:
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Control module for mirror fold-away function -J351-: Auxiliary relay panel located in passenger footwell E-Box, relay positions 10 and 15
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Mirror memory control module -J267-: Behind driver's side "B" pillar trim.
2. Measurement at switch for Mirror Adjustment -E168-
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Remove mirror adjustment switch and disconnect harness connector.
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Connect adapter harness VAG1598/13 to Test box VAG1598, mirror adjustment switch harness connector and mirror adjustment switch.
Socket 3:
31 Ground
Socket 5:
15 Battery voltage, Ignition on
Socket 4:
15 Battery voltage, Ignition on, adjustment switch set to tilt left mirror (position "L")
Socket 4:
31 Ground, adjustment switch set to tilt right mirror (position "R"),use ohmmeter
Socket 1:
31 Ground, adjustment switch at fold-away function
Socket 2:
15 Battery voltage, Ignition on, adjustment switch at "tilt mirror down" pos.
Socket 9:
15 Battery voltage, Ignition on, adjustment switch at "tilt mirror up" pos.
Socket 8:
15 Battery voltage, Ignition on, adjustment switch at "tilt mirror left" pos.
Socket 10: 15 Battery voltage, Ignition on, adjustment switch at "tilt mirror right" pos.
3. Measurement at Mirror Memory Control Module -J267-
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Remove mirror memory control module harness connector.
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Connect adapter harness VAG1598/4 to Test box VAG 1598, mirror memory control module harness connector and mirror memory control
module.
Socket 12: 30 Battery voltage
Socket 23: 31 Ground
Socket 4:
30 Voltage between 1 Vand approx. 12V when memory button is pressed
Socket 3:
15 Battery voltage, Ignition on, reverse gear selected
4. Correction Measures
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Check wiring harnesses for possible open/short circuit using wiring diagram.
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If specified values are obtained and mirror fold-away function is inoperative, replace control module for mirror fold-away function -J351-.
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If specified values are obtained and mirror tilt function is inoperative, replace mirror memory control module -J267-.
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If specified values are obtained and mirror memory function is inoperative, replace mirror memory control module -J267-.