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3. (B16) BRAKE SWITCH NO.2 SIGNAL OPEN CAUTION: Do not probe the PCM harness connectors. Probing the Is the resistance below 5.0 ohms? Yes >> Go To 4 No >> Repair the open in the (B16) Brake Switch No.2 Signal cir- cuit. Perform the POWERTRAIN VERIFICATION TEST. (Refer 4. (B16) BRAKE SWITCH NO.2 SIGNAL SHORT TO VOLTAGE Turn the ignition on. Measure the voltage of the (B16) Brake Switch No.2 Signal circuit in Does the voltmeter indicate voltage present? Yes >> Repair the short to voltage in the (B16) Brake Switch No.2 circuit. Perform the POWERTRAIN VERIFICATION TEST. (Refer No >> Go To 5 5. STOP LAMP SWITCH Remove the Stop Lamp Switch. Measure the resistance between terminals 1 and 2 of the Stop Lamp Switch. Next, measure the resistance between terminals 3 and 4 of the Stop Lamp Switch. Apply and release the brake pedal while monitoring the ohmmeter during both of the above steps. Does the resistance change from below 5.0 ohms to an open circuit for one or both of the measure- Yes >> Go To 6 No >> Replace the Stop Lamp Switch. Perform the POWERTRAIN VERIFICATION TEST. (Refer to 9 - ENGINE - STANDARD PROCEDURE) 9 - 672 ENGINE ELECTRICAL DIAGNOSTICS LX |