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Record the DTC Failure Records. 4. Clear the DTC. 5. Select TCC Brake Switch on the scan tool. 6. Disconnect the TCC brake switch connector. 7. Using the J 35616 connector test adapter kit, install a fused jumper wire between terminals A and B of the TCC brake switch connector. Did the TCC brake switch status change from Open to Closed? — Go to Step 5 Go to Step 3 3 1. Remove the IGN 1 fuse. 2. Inspect the fuse for an open. Refer to Wiring Repairs in Wiring Systems. Is the fuse open? — Go to Step 4 Go to Step 6 4 Important: The condition that affects this circuit may exist in other connecting branches of the circuit. Refer to Power Distribution Schematics in Wiring Systems for complete circuit distribution. Test the power feed circuit (CKT 1039) of the TCC brake switch for a short to ground. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? — Go to Step 9 — 5 1. Inspect the TCC brake switch for proper adjustment. 2. Adjust the TCC brake switch as necessary. Refer to Stop Lamp Switch Adjustment in Hydraulic Brakes. Did the TCC brake switch require adjustment? — Go to Step 9 Go to Step 7 6 1. Test the power feed circuit (CKT 1039) of the TCC brake switch for an open. 2. Test the input circuit (CKT 420) of the TCC brake switch for an open. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct a condition? — Go to Step 9 Go to Step 8 7 Replace the TCC brake switch. Refer to Stop Lamp Switch Replacement in Hydraulic
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2000 Cadillac DeVille Brake Switch Circuit Low Input
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