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P0573-BRAKE SWITCH 1 STUCK OFF (CONTINUED) 3. (B15) BRAKE SWITCH NO.1 SIGNAL CIRCUIT OPEN Turn the ignition off. Disconnect the C3 PCM harness connector. CAUTION: Do not probe the PCM harness connectors. Probing Is the resistance below 5.0 ohms? Yes >> Go To 4 No >> Repair the open in the (B15) Brake Switch No.1 Signal cir- cuit. Perform the POWERTRAIN VERIFICATION TEST. (Refer 4. (B16) BRAKE SWITCH NO.2 CIRCUIT SHORTED TO GROUND Measure the resistance between ground and the (B16) Brake Switch Is the resistance below 100 ohms? Yes >> Repair the short to ground in the (B16) Brake Switch No.2 Signal circuit. Perform the POWERTRAIN VERIFICATION TEST. (Refer No >> Go To 5 9 - 624 ENGINE ELECTRICAL DIAGNOSTICS WK |