Antilock Brakes / Traction Control Systems: Locations

2006 Chevrolet Optra (CANADA) L4-2.0LSECTION Locations



ABS Component Views

Harness Routing




1 - Right Front Wheel Speed Sensor
2 - Brake Master Cylinder
3 - Master Cylinder Reservoir
4 - Grommet
5 - Right Front Wheel Speed Sensor Connector
6 - Brake Fluid Level Switch Connector
7 - Instrument Cluster
8 - Connector C901
9 - Right Rear Wheel Speed Sensor Connector
10 - Right Rear Wheel Speed Sensor
11 - Left Rear Wheel Speed Sensor
12 - Left Rear Wheel Speed Sensor Connector
13 - Body Wiring Harness
14 - Connector C202
15 - Connectors C110
16 - EBCM Connector
17 - Left Front Speed Sensor Connector
18 - Grommet
19 - Hydraulic Modulator with Attached EBCM
20 - Connector C107
21 - Left Front Wheel Speed Sensor

Electronic Brake Control Module (EBCM)




1 - Electronic Brake Control Module (EBCM)
2 - Oil Feeding Connector

Wheel Speed Sensor (WSS)




1 - Wheel Speed Sensor (WSS) - Left Front Shown, Right Similar
2 - Wheel Speed Sensor (WSS) - Left Rear Shown, Right Similar
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:

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