| Last Modified: 11-29-2007 | 1.6 J | |
| Service Category: Vehicle Exterior | Section: Lighting (ext) | |
| Model Year: 2008 | Model: Sequoia | Doc ID: RM000002ZNJ005X |
| Title: LIGHTING (EXT): LIGHTING SYSTEM: DESCRIPTION (2008 Sequoia) | ||
|
Hazard Warning Switch Circuit |
DESCRIPTION
The turn signal flasher receives a hazard warning signal switch information signal, and illuminates the turn signal lights.
WIRING DIAGRAM
INSPECTION PROCEDURE
PROCEDURE
|
1. |
INSPECT HAZARD WARNING SIGNAL SWITCH ASSEMBLY |
(a) Remove the hazard warning signal switch assembly
.
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Switch Condition |
Specified Condition |
|---|---|---|
|
1 - 4 |
Hazard warning switch ON |
Below 1 Ω |
|
Hazard warning switch OFF |
10 kΩ or higher |
(c) Reinstall the hazard warning switch assembly.
|
|
3. |
CHECK HARNESS AND CONNECTOR (HAZARD WARNING SIGNAL SWITCH - TURN SIGNAL FLASHER) |
(a) Disconnect the J3 hazard warning signal switch assembly connector.
(b) Disconnect the H39 turn signal flasher assembly connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
J3-4 - H39-12 (HAZ) |
Always |
Below 1 Ω |
|
J3-1 - Body ground |
Always |
Below 1 Ω |
|
J3-4 - Body ground |
Always |
10 kΩ or higher |
(d) reconnect the turn signal flasher assembly connector.
(e) Reconnect the hazard warning signal switch assembly connector.
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