Turn Signal And Hazard Warning System

2004 Toyota Matrix XR, FWD, StandardSECTION Turn Signal And Hazard Warning System
WARNING: This page is about a different car, the 2003 Lexus IS 300. However, it is still accessible from the selected car via links, so may be relevant.

This system uses the multiplex communication system, so check diagnosis system of the multiplex communication system before you proceed with troubleshooting.

PROBLEM SYMPTOMS - TURN SIGNAL AND HAZARD WARNING SYSTEM

Symptom Suspect Area Go To
"Hazard" and "Turn" do not light up.
  1. GAUGE Fuse
  2. TURN HAZ Fuse
  3. Ignition Switch
  4. Turn Signal Flasher Relay
  5. Wire Harness
  1. LOCATION
  2. LOCATION
  3. INSPECTION
  4. INSPECTION
  5. -
Hazard warning light does not light up. (Turn is normal)
  1. A/C Control Panel
  2. Wire Harness
  1. AIR CONDITIONING CONTROL ASSEMBLY
  2. -
Turn signal does not light up. (Hazard is normal)
  1. Turn Signal Switch
  2. Wire Harness
  1. INSPECTION
  2. -
Turn signal does not light up in one direction.
  1. Turn Signal Switch
  2. Wire Harness
  1. INSPECTION
  2. -
Only one bulb does not light up.
  1. Bulb
  2. Wire Harness
  1. -
  2. -
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.