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Home >> Chevrolet >> 2015 >> Cruze LT, Automatic Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 95 (Seat Heating System And Seat Cooling System) >> Diagnostic Information and Procedures >> DTC B2345: Seat Heater Disable Circuit (Without Memory A45) >> Circuit/System Testing

Circuit/System Testing

WARNING: This page is about a different car, the 2015 Chevrolet Trax and 2015 Buick Encore. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition OFF, disconnect the X2 and X3 harness connectors at the K29 Seat Heating Control Module.
  2. Test for greater than 3.0 kΩ between the signal and the low reference circuit terminals listed below:
    • Driver seat cushion terminal 3 X3 and terminal 13 X2
    • Passenger seat cushion terminal 4 X3 and terminal 14 X2
    • If less than 3.0 kΩ 
    1. Ignition OFF, disconnect the harness connector at the appropriate E14 Seat Heating Element - Cushion.
    2. Test for Infinite resistance between the signal and low reference circuits.
      • If less than infinite resistance, repair the short between the circuits.
      • If infinite resistance, test or replace the E14 Seat Heating Element - Cushion.
    • If greater than 3.0 kΩ 
  3. Replace the K29 Seat Heating Control Module.
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