Last Modified: 05-13-2024 6.11:8.1.0 Doc ID: RM100000001GLMT
Model Year Start: 2020 Model: Corolla Prod Date Range: [01/2019 -           ]
Title: 2ZR-FXE (LUBRICATION): OIL PRESSURE SWITCH: INSPECTION; 2020 - 2025 MY Corolla Corolla HV [01/2019 -        ]

INSPECTION

PROCEDURE

1. INSPECT ENGINE OIL PRESSURE SWITCH ASSEMBLY

CAUTION:

  • To prevent injury due to contact with an operating cooling fan, keep your hands and clothing away from the cooling fans when working in the engine compartment with the engine running or the power switch on (IG).
  • To prevent burns, do not touch the engine, exhaust manifold or other high temperature components while the engine is hot.

(a) Disconnect the engine oil pressure switch assembly connector.

(b) Connect the Techstream to the DLC3.

(c) Turn the power switch on (IG).

(d) Turn the Techstream ON.

(e) Put the engine in inspection mode (Maintenance Mode).

Powertrain > Hybrid Control > Utility

Tester Display

Inspection Mode

(f) Start the engine.

(g) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Tester Connection

Condition

Specified Condition

1 - Switch body

Idling

10 kΩ or higher

Engine stopped

Below 1 Ω

If the result is not as specified, replace the engine oil pressure switch assembly.

(h) Connect the engine oil pressure switch assembly connector.