Engine & exhaust sensors
- Oxygen sensors
- Air-fuel ratio sensors
- Crankshaft-position sensors
- Camshaft-position sensors
- Knock sensors
- Coolant-temperature sensors
- Oil-pressure sensors / switches
- Intake pressure or air-flow sensors
Corolla electrical and sensor directory
Source Corolla sensing and electrical components by system function, exact position, engine or chassis application, connector keying, terminal count and reference number.

Electrical & Sensors directory
This working directory organizes the main Corolla electrical & sensors components buyers place on repair, maintenance and wholesale lists. A listed name describes sourcing scope, not confirmed availability or fitment.
Selection matrix
| Decision point | Buyer evidence | Risk controlled |
|---|---|---|
| System function | Oxygen, speed, position, temperature, pressure or other circuit | Prevents matching by connector alone |
| Exact position | Upstream/downstream, front/rear, left/right or engine location | Controls calibration and lead routing |
| Electrical interface | Connector key, terminal count, wire length and shielding where relevant | Controls the physical electrical connection |
| Application | Engine, emission version, chassis, production date and market | Controls sensor specification |
| Reference chain | OE number, maker cross and old-part label | Supports a defensible substitution review |
System-specific risk
Sensors with similar connectors can differ in signal type, heater circuit, calibration, protocol, wire length or mounting. Confirm the function and exact position before using connector appearance as supporting evidence.
Buyer FAQ
No. The connector helps, but system function, exact position, engine or chassis, wire length and reference are also required.
Do not treat the names as interchangeable. Confirm the published sensor type, engine, exhaust position and reference.
Yes. Use one line per sensor position and include its connector photos, wire length, reference and quantity.
Yes. Provide the complete hybrid powertrain, engine where applicable, production date, market and exact monitored system.
Corolla parts RFQ
Include the generation or year, engine or hybrid version, OE/reference numbers, quantities, destination and packing request. Attach a spreadsheet or old-part photos when useful.