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Home >> Pontiac >> 2009 >> Vibe Base, 2.4 0, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 136 (Power Seat System) >> Diagnostic Information and Procedures >> DTC B1735, B1740, B1745, B1750, B1755, B1760, B1815, B1820, B1830, B1835, B1840, B1845, B2085, or B2090 >> Circuit/System Testing

Circuit/System Testing

WARNING: This page is about a different car, the 2011 Cadillac DTS. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition OFF, disconnect the harness connector at the seat adjuster switch.
  2. Ignition ON, verify the scan tool seat switch parameters listed below are Inactive:
    • Front Vertical Upward Switch
    • Front Vertical Downward Switch
    • Rear Vertical Upward Switch
    • Rear Vertical Downward Switch
    • Horizontal Forward Switch
    • Horizontal Rearward Switch
    • Recline Forward Switch
    • Recline Rearward Switch
    • If not the specified value, test the appropriate signal circuit listed below for a short to voltage. If the circuit tests normal, replace the MSM.
    • Front vertical up switch terminal A
    • Front vertical down switch terminal K
    • Rear vertical up switch terminal F
    • Rear vertical down switch terminal J
    • Horizontal forward switch terminal D
    • Horizontal rearward switch terminal C
    • Recline forward switch terminal H
    • Recline rearward switch terminal G
  3. If all circuits test normal, test or replace the seat adjuster switch.
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