Last Modified: 05-13-2024 6.11:8.1.0 Doc ID: RM1000000026YJE
Model Year Start: 2023 Model: GR Corolla Prod Date Range: [09/2022 - 11/2022]
Title: LIGHTING (INT): LIGHTING SYSTEM (except TMMMS Made): Push Start Switch Illumination Circuit; 2023 MY Corolla Corolla Hatchback Corolla HV GR Corolla [09/2022 - 11/2022]

Push Start Switch Illumination Circuit

DESCRIPTION

The illuminated entry system controls the push start switch illumination.

WIRING DIAGRAM

for Gasoline Model
for HV Model

CAUTION / NOTICE / HINT

NOTICE:

Before replacing the certification ECU (smart key ECU assembly), refer to Registration.

for Gasoline Model: Click here 2023 MY Corolla Corolla Hatchback GR Corolla [09/2022 - 11/2022]; THEFT DETERRENT / KEYLESS ENTRY: SMART KEY SYSTEM (for Start Function (Gasoline Model, except TMMMS Made)): REGISTRATION

for HV Model: Click here 2023 - 2025 MY Corolla Corolla HV [09/2022 -        ]; THEFT DETERRENT / KEYLESS ENTRY: SMART KEY SYSTEM (for Start Function, HV Model): REGISTRATION

PROCEDURE

1.

PERFORM ACTIVE TEST USING TECHSTREAM

(a) Perform the Active Test according to the display on the Techstream.

Body Electrical > Smart Key > Active Test

Tester Display

Measurement Item

Control Range

Diagnostic Note

Start SW Light Power Supply

Push start switch illumination

OFF or ON

-

Body Electrical > Smart Key > Active Test

Tester Display

Start SW Light Power Supply

OK:

Push start switch illumination comes on.

OK

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE

NG

2.

INSPECT PUSH START SWITCH

(a) Inspect the push start switch.

for M20A-FKS: Click here 2019 - 2025 MY Corolla Corolla Hatchback [06/2018 -        ]; M20A-FKS (STARTING): ENGINE SWITCH: INSPECTION

for G16E-GTS: Click here 2023 - 2025 MY GR Corolla [09/2022 -        ]; G16E-GTS (STARTING): ENGINE SWITCH: INSPECTION

for 2ZR-FXE: Click here 2020 - 2025 MY Corolla Corolla HV [01/2019 -        ]; 2ZR-FXE (STARTING): POWER SWITCH: INSPECTION

NG

REPLACE PUSH START SWITCH

for M20A-FKS: Click here 2019 - 2025 MY Corolla Corolla Hatchback [06/2018 -        ]; M20A-FKS (STARTING): ENGINE SWITCH: REMOVAL

for G16E-GTS: Click here 2023 - 2025 MY GR Corolla [09/2022 -        ]; G16E-GTS (STARTING): ENGINE SWITCH: REMOVAL

for 2ZR-FXE: Click here 2020 - 2025 MY Corolla Corolla HV [01/2019 -        ]; 2ZR-FXE (STARTING): POWER SWITCH: REMOVAL

OK

3.

CHECK HARNESS AND CONNECTOR (PUSH START SWITCH - CERTIFICATION ECU (SMART KEY ECU ASSEMBLY))

(a) Disconnect the I167 certification ECU (smart key ECU assembly) connector.

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

Standard Resistance (for Gasoline Model):

Tester Connection

Condition

Specified Condition

I35-5 (SWIL) - I167-20 (SWIL)

Always

Below 1 Ω

I35-3 (GND) - I167-30 (AGND)

Always

Below 1 Ω

I35-5 (SWIL) or I167-20 (SWIL) - Body ground

Always

10 kΩ or higher

I35-3 (GND) or I167-30 (AGND) - Body ground

Always

10 kΩ or higher

Standard Resistance (for HV Model):

Tester Connection

Condition

Specified Condition

I119-5 (SWIL) - I167-20 (SWIL)

Always

Below 1 Ω

I119-3 (GND) - I167-30 (AGND)

Always

Below 1 Ω

I119-5 (SWIL) or I167-20 (SWIL) - Body ground

Always

10 kΩ or higher

I119-3 (GND) or I167-30 (AGND) - Body ground

Always

10 kΩ or higher

OK

REPLACE CERTIFICATION ECU (SMART KEY ECU ASSEMBLY)

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR