LEMON Manuals
: Even more car manuals for everyone: 1960-2025
Home
>>
Mazda
>>
1995
>>
MX-3 Standard
>>
Repair and Diagnosis
>>
Engine Performance
>>
System
>>
Engine Controls - Tests W/Codes
>>
Trouble Code Charts
>>
Code 15: Heated Oxygen Sensor - Inactivation
April 5, 2026:
LEMON Manuals is launched!
Read the announcement.
Code 15: Heated Oxygen Sensor - Inactivation
Fig 1: Trouble Code No. 15 Heated Oxygen Sensor - Inactivation
Fig 2: Trouble Code No. 15 Engine Coolant Temperature Sensor, Throttle Position Sensor, Mass Air Flow Sensor & Heated Oxygen Sensor Circuit Diagram