| Last Modified: 05-13-2024 | 6.11:8.1.0 | Doc ID: RM1000000025DHQ |
| Model Year Start: 2023 | Model: GR Corolla | Prod Date Range: [09/2022 - 11/2022] |
| Title: LIGHTING (EXT): LIGHTING SYSTEM (for TMMMS Made): Turn Signal Switch Circuit; 2023 MY Corolla Corolla Hatchback Corolla HV GR Corolla [09/2022 - 11/2022] | ||
|
Turn Signal Switch Circuit |
DESCRIPTION
The steering sensor receives the turn signal switch information and controls the turn signal lights.
WIRING DIAGRAM
PROCEDURE
|
1. |
READ VALUE USING TECHSTREAM |
(a) Connect the Techstream to the DLC3.
(b) Turn the engine switch on (IG).
(c) Turn the Techstream on.
(d) Enter the following menus: Chassis / Steering Angle Sensor / Data List.
(e) Read the Data List according to the display on the Techstream.
Chassis > Steering Angle Sensor > Data List
|
Tester Display |
Measurement Item |
Range |
Normal Condition |
Diagnostic Note |
|---|---|---|---|---|
|
Turn Signal Switch (Right) |
Turn signal switch (right turn position) signal |
OFF or ON |
OFF: Turn signal switch not in right turn position ON: Turn signal switch in right turn position |
- |
|
Turn Signal Switch (Left) |
Turn signal switch (left turn position) signal |
OFF or ON |
OFF: Turn signal switch not in left turn position ON: Turn signal switch in left turn position |
- |
|
Cornering Light/Front Side Illuminate Light Switch |
Turn signal switch (full turn) signal |
OFF or ON |
OFF: Turn signal switch not in left or right turn position ON: Turn signal switch in left or right full turn position |
- |
Chassis > Steering Angle Sensor > Data List
|
Tester Display |
|---|
|
Turn Signal Switch (Right) |
|
Turn Signal Switch (Left) |
|
Cornering Light/Front Side Illuminate Light Switch |
OK:
Normal conditions listed above are displayed.
| OK |
|
PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE |
|
|
2. |
INSPECT TURN SIGNAL SWITCH |
(a) Remove the turn signal switch.
Click here
![2019 - 2025 MY Corolla Corolla Hatchback Corolla HV GR Corolla [06/2018 - ]; LIGHTING (EXT): HEADLIGHT DIMMER SWITCH: REMOVAL](/t3Portal/stylegraphics/info.gif)
(b) Inspect the turn signal switch.
Click here
| NG |
|
|
|
3. |
INSPECT STEERING WHEEL SWITCH HOUSING |
(a) Remove the steering wheel switch housing.
Click here
(b) Inspect the steering wheel switch housing.
Click here
| OK |
|
| NG |
|
|
|