Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2007 Nissan-Datsun Altima BaseFACTORY OEM SERVICE PROCEDURE
Component Function Check
- CHECK FOR ASCD BRAKE SWITCH FUNCTION
With CONSULT-III
- Turn ignition switch ON.
- Select "BRAKE SW1" in "DATA MONITOR" mode with CONSULT-III.
- Check "BRAKE SW1" indication under the following conditions.MONITOR ITEMS CONDITION AND INDICATION REFERENCE
Monitor item Condition Indication BRAKE SW1 Brake pedal (CVT)
Brake pedal and clutch pedal (M/T)Slightly depressed OFF Fully released ON
Without CONSULT-III
- Turn ignition switch ON.
- Check the voltage between ECM harness connector and ground.VOLTAGE SPECIFICATION
ECM Ground Condition Voltage Connector Terminal E10 110 (ASCD brake switch signal) Ground Brake pedal (CVT)
Brake pedal and clutch pedal (M/T)Slightly depressed Approx. 0V Fully released Battery voltage
Is the inspection result normal?
YES: INSPECTION END.
NO: Go to "DIAGNOSIS PROCEDURE ".
Factory Service Tools
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.