Component Testing

Relay Test

1. Ignition OFF, disconnect the KR5 rear defogger relay.
2. Test for 60-200 Ω between terminals 1 and 3.
   • If less than 60 Ω or greater than 200 Ω 

     Replace the KR5 rear defogger relay.

   • If between 60-200 Ω 
3. Test for infinite resistance between the terminals listed below:
   • 4 and 3
   • 4 and 5
   • 4 and 1
   • 5 and 1
   • If less than infinite resistance 

     Replace the KR5 rear defogger relay.

   • If infinite resistance 
4. Install a 3 A fused jumper wire between relay terminal 3 and 12 V. Install a jumper wire between relay terminal 1 and ground.
5. Test for less than 2 Ω between terminals 4 and 5.
   • If 2 Ω or greater 

     Replace the KR5 rear defogger relay.

   • If less than 2 Ω 
6. All OK