Component Testing: Notes
WARNING: This page is about a different car, the 2010 Cadillac SRX. However, it is still accessible from the selected car via links, so may be relevant.
- Ignition OFF, disconnect the cooling fan relay.
- Test for 70-110Ω between terminals 85 and 86.
- If not within the specified range, replace the KR20 cooling fan relay.
- Measure the resistance between the terminals listed below. The DMM should display OL.
- 30 and 86
- 30 and 87
- 30 and 85
- 85 and 87
- If not the specified range, replace the relay.
- Install a 20 A fused jumper wire between relay terminal 86 and B+. Install a jumper wire between relay terminal 85 and ground. Test for less than 2Ω between terminals 30 and 87.
- If greater than the specified range, replace the relay.