Removal & Installation
With Active Brake Control System (Jl4)
Before servicing the vehicle, refer to the Precautions Section.
WARNINGAlways connect or disconnect the wiring harness connector from the Electronic Brake Control Module (EBCM) with the ignition switch in the OFF position. Failure to observe this precaution could result in damage to the EBCM.
- Turn the ignition switch to the OFF position.
- Thoroughly clean the EBCM to Brake Pressure Modulator Valve (BPMV) area of any accumulated dirt and foreign material.
- Disconnect the EBCM electrical connector by lifting the locking tabs on the lower edge of the lever.
- Position the electrical connector toward the front of the vehicle.
- Disconnect the power brake booster vacuum sensor electrical connector
- Disconnect the brake fluid level indicator switch electrical connector.
- Release the engine wiring harness retaining clip from the master cylinder mounting stud and position the harness downward.
- Remove the 2 upper EBCM bolts.
Carefully separate the EBCM from the BPMV.
WARNINGDo not pry the components apart.
- If installing a new EBCM, remove the 12 EBCM seals.
- Clean the sealing surface of the BPMV with denatured alcohol and a clean shop cloth and allow to dry.
While aligning the brake pressure sensor to the BPMV, carefully install the EBCM to the BPMV.
WARNINGDo not force the components together.
- Install the 2 lower EBCM bolts and tighten to 20 inch. lbs. (2.3 Nm).
- Install the 2 upper EBCM bolts and tighten to 20 inch. lbs. (2.3 Nm).
- Position the engine wiring harness upward and connect the power brake booster vacuum sensor electrical connector.
- Connect the brake fluid level indicator switch electrical connector.
- Install the engine wiring harness retaining clip to the master cylinder mounting stud.
- Position the EBCM electrical connector to the EBCM. Lower the lever until the locking tabs are fully engaged.
- If installing a new EBCM, program the EBCM.
- Observe the brake pedal feel after performing the diagnostic system check. If the pedal now feels spongy, air may have been introduced into the secondary hydraulic circuit of the brake modulator which then may have been introduced into the primary circuit. If the pedal f