LEMON Manuals: Even more car manuals for everyone
Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> External Pages >> Different car >> Section 207 (Seat Heating System & Seat Cooling System) >> Diagnostic Information and Procedures >> DTC B2345 (With Memory, Without HP2) >> Circuit/System Testing >> B2345 13

B2345 13

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2008 GMC Yukon XL, 2008 GMC Yukon, 2008 Chevrolet Tahoe, 2008 Chevrolet Suburban, and 2008 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition OFF, disconnect the X2, X5 harness connectors at the MSM.
  2. Test for greater than 850 ohms between the signal circuit and the low reference circuits listed below:
    • Driver seat cushion terminal 1 X5 and terminal 3 X2
    • Passenger seat cushion terminal 2 X5 and terminal 6 X2
    • If less than the specified value, test for a short between the signal and low reference circuits. If the circuits test normal, replace the appropriate seat cushion heater element/temperature sensor.
  3. Test for greater than 850 ohms between the signal and the low reference circuits listed below:
    • Driver seat back terminal 4 X5 and terminal 2 X2
    • Passenger seat back terminal 3 X5 and terminal 5 X2
    • If less than the specified value, test for a short between the signal and low reference circuits. If the circuits test normal, replace the appropriate seat back heater element/temperature sensor.
  4. If all circuits test normal, replace the MSM.
scientia non olet · About LEMON Manuals