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Home >> Cadillac >> 2009 >> XLR Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 151 (Cruise Control System) >> Diagnostic Information and Procedures >> DTC B3794 >> Component Testing >> Turn Signal/Multifunction Switch
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Turn Signal/Multifunction Switch

WARNING: This page is about a different car, the 2008 Cadillac XLR. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition OFF, disconnect the harness connector X1 at the turn signal / multifunction switch.
  2. Measure the resistance between the supply voltage circuit terminal 1 and the signal circuit terminal 5. Individually activate and hold each cruise control function switch and compare the resistance reading to the values for the On, Off, SET - and RES + switches.
    • If any of the resistance measurements for the On, Off, SET - and RES + switches are not within the listed resistance values, replace the turn signal / multifunction switch.
Function Switch Minimum Resistance Value Maximum Resistance Value
Off O.L. O.L.
On 8.1k Ohms 8.4k Ohms
- SET 1.2k Ohms 1.4k Ohms
+ RES 2.8k Ohms 3.0k Ohms