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Horizontal Rearward Position Stuck

NOTE: Perform MEMORY SYSTEM TEST 1A  before proceeding with this test. For connector terminal identification and wiring diagrams, see BODY CONTROL COMPUTER - INTRODUCTION. Perform VERIFICATION TEST: VER-4A  after each repair.
CAUTION: Always turn ignition switch to OFF position prior to disconnecting or connecting any module connector.
  1. Disconnect power seat switch 10-pin connector. Using voltmeter, measure voltage between ground and terminal No. 3 (Red/Light Blue wire) on power seat switch harness connector. If voltage is .5 volts or less, replace power seat switch. If voltage is greater than .5 volts, go to next step.
  2. Disconnect Memory Heated Seat/Mirror Module (MHSMM) 16-pin harness connector. MHSMM is located under front of seat. See Figure. Measure voltage between ground and terminal No. 9 (Red/Light Blue wire) on power seat switch harness connector. If voltage is .5 volts or less, replace MHSMM. If voltage is greater than .5 volts, repair Red/Light Blue wire for short to voltage.
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