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HOMESERVICE MANUALSBUICK1998RIVIERAREPAIR AND DIAGNOSIS (SINGLE PAGE)BODY & FRAMEMIRRORSMEMORY SYSTEMSYSTEM TESTSALL MEMORY & SEAT FUNCTIONS INOPERATIVE
1998 Buick Riviera

All Memory & Seat Functions Inoperative

1998 Buick RivieraSECTION All Memory & Seat Functions Inoperative
NOTE: After repair or component replacement is completed, perform appropriate MEMORY SYSTEM CHECK under TROUBLE SHOOTING  to verify system is functioning properly.
  1. Perform appropriate MEMORY SYSTEM CHECK under TROUBLE SHOOTING  . Go to next step.
  2. Disconnect memory seat/mirror module Black, 2-pin connector C2. Using DVOM connected to ground, measure voltage at memory seat/mirror connector C2, terminal "A" (Orange wire). If 10-15 volts exists, go to next step. If 10-15 volts does not exist, go to step 5).
  3. Connect DVOM between memory seat/mirror module connector C2, terminals "A" (Orange wire) and "B" (Black wire). If 10-15 volts exists, go to next step. If 10-15 volts does not exist, go to step 6).
  4. Replace memory seat/mirror module.
  5. Repair open in Orange wire between memory seat/mirror module and splice S339.
  6. Repair open in Black wire and memory seat/mirror module and splice S290.
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.