O2 Sensor Heater Codes Table (MT 0594-01)
WARNING: This page is about the Millenia S, which is a different variant/trim than selected.
Publication date: 1994-05-01Reference number: MT 0594-01
O2 SENSOR HEATER CODES TABLE
TECHNICAL INFORMATION TIP - MANUFACTURER
Reference Number(s): MT 0594-01, Date of Issue:
May, 1994
O2 SENSOR HEATER CODES
Model(s): 1995 Mazda Millenia
Category: Mazda Tips
Bulletin No.: MT 0594-01
Date: May, 1994
DESCRIPTION
Only the left and right front oxygen sensors set trouble codes for heater circuit malfunction. This may be a bit unclear in the Workshop Manual and parts microfiche (or EPC).
Please refer to the following illustration and tables - along with the Workshop Manual - to help you identify sensor locations that correspond to the diagnostic trouble codes.
O2 HEATER SENSOR CODES
O2 HEATER SENSOR CODES
| 02 Sensor Codes | Condition | Location |
|---|---|---|
| P0130 | Circuit malfunction | Right Front |
| P0134 | Circuit no activity | Right Front |
| P0140 | Circuit no activity | Right Rear |
| P0150 | Circuit malfunction | Left Front |
| P0154 | Circuit no activity | Left Front |
| P0160 | Circuit no activity | Left Rear |
| P0135* | Heater circuit malfunction | Right Front |
| P0155* | Heater circuit malfunction | Left Front |
If you get a code P0135 or P0155:
- Check the continuity of the O2 sensor heater circuit according to the Workshop Manual.
- Check the sensor connector and the connector at the PCME for poor contact.