Last Modified: 11-20-2023 6.11:8.1.0 Doc ID: RM1000000012S95
Model Year Start: 2018 Model: Camry Prod Date Range: [03/2017 - 10/2020]
Title: LIGHTING (EXT): LIGHTING SYSTEM: Hazard Warning Switch Circuit; 2018 - 2020 MY Camry [03/2017 - 10/2020]

Hazard Warning Switch Circuit

DESCRIPTION

The combination meter assembly receives the hazard warning signal switch assembly on signal and controls the operation of the hazard warning lights.

WIRING DIAGRAM

PROCEDURE

1.

READ VALUE USING TECHSTREAM

(a) Connect the Techstream to the DLC3.

(b) Turn the ignition switch to ON.

(c) Turn the Techstream on.

(d) Enter the following menus: Body Electrical / Combination Meter / Data List.

(e) Read the Data List according to the display on the Techstream.

Body Electrical > Combination Meter > Data List

Tester Display

Measurement Item

Range

Normal Condition

Diagnostic Note

Hazard Flasher Switch

Hazard warning signal switch signal

OFF or ON

OFF: Hazard warning signal switch off

ON: Hazard warning signal switch on

-

Body Electrical > Combination Meter > Data List

Tester Display

Hazard Flasher Switch

OK:

Normal conditions listed above are displayed.

OK

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE 2018 MY Camry [03/2017 - 06/2017]; LIGHTING (EXT): LIGHTING SYSTEM: PROBLEM SYMPTOMS TABLE 2018 - 2019 MY Camry [06/2017 - 09/2019]; LIGHTING (EXT): LIGHTING SYSTEM: PROBLEM SYMPTOMS TABLE 2020 MY Camry [09/2019 - 03/2020]; LIGHTING (EXT): LIGHTING SYSTEM: PROBLEM SYMPTOMS TABLE 2020 MY Camry [03/2020 - 10/2020]; LIGHTING (EXT): LIGHTING SYSTEM: PROBLEM SYMPTOMS TABLE

NG

2.

INSPECT HAZARD WARNING SIGNAL SWITCH ASSEMBLY

(a) Remove the hazard warning signal switch assembly.

Click here 2018 MY Camry [03/2017 - 06/2017]; LIGHTING (EXT): HAZARD WARNING SWITCH: REMOVAL 2018 - 2020 MY Camry [06/2017 - 10/2020]; LIGHTING (EXT): HAZARD WARNING SWITCH: REMOVAL

(b) Inspect the hazard warning signal switch assembly.

Click here 2018 - 2020 MY Camry [03/2017 - 10/2020]; LIGHTING (EXT): HAZARD WARNING SWITCH: INSPECTION

NG

REPLACE HAZARD WARNING SIGNAL SWITCH ASSEMBLY 2018 MY Camry [03/2017 - 06/2017]; LIGHTING (EXT): HAZARD WARNING SWITCH: REMOVAL 2018 - 2020 MY Camry [06/2017 - 10/2020]; LIGHTING (EXT): HAZARD WARNING SWITCH: REMOVAL

OK

3.

CHECK HARNESS AND CONNECTOR (HAZARD WARNING SIGNAL SWITCH ASSEMBLY - COMBINATION METER ASSEMBLY AND BODY GROUND)

(a) Disconnect the K20 combination meter assembly connector.

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

Standard Resistance:

Tester Connection

Condition

Specified Condition

M2-4 (TB) - K20-3 (HAZ)

Always

Below 1 Ω

M2-4 (TB) or K20-3 (HAZ) - Body ground

Always

10 kΩ or higher

M2-1 (E) - Body ground

Always

Below 1 Ω
OK

REPLACE COMBINATION METER ASSEMBLY 2018 MY Camry [03/2017 - 06/2017]; METER / GAUGE / DISPLAY: COMBINATION METER: REMOVAL 2018 - 2020 MY Camry [06/2017 - 10/2020]; METER / GAUGE / DISPLAY: COMBINATION METER: REMOVAL

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR