Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSTOYOTA2001HIGHLANDER 2WD L4-2.4L (2AZ-FE)REPAIR AND DIAGNOSISBRAKES AND TRACTION CONTROLANTILOCK BRAKES / TRACTION CONTROL SYSTEMSELECTRONIC BRAKE CONTROL MODULESERVICE AND REPAIR
2001 Toyota Highlander 2WD L4-2.4L (2AZ-FE)
Electronic Brake Control Module: Service and Repair
2001 Toyota Highlander 2WD L4-2.4L (2AZ-FE)SECTION Service and Repair
Skid Control ECU ASSY
REPLACEMENT
1. REMOVE INSTRUMENT PANEL FINISH PANEL SUB-ASSY LOWER [55045/98-102]
2. REMOVE INSTRUMENT PNL INSERT SUB-ASSY LWR LH [55406C/98-102]
3. REMOVE SKID CONTROL BUZZER ASSY (w/ VSC) [86652A/98-170]
a. Disconnect the skid control buzzer connector.
b. Remove the skid control buzzer.
4. REMOVE SKID CONTROL ECU ASSY [89540/98-1701
a. Remove the 2 nuts and disconnect the skid control ECU from the body.
b. Disconnect the skid control ECU connectors and remove the skid control ECU assembly
5. INSTALL SKID CONTROL ECU ASSY [89540/98-170]
a. Connect the skid control ECU connectors.
b. Install the skid control ECU to the body with the 2 nuts.
Torque: 5.0 Nm (51 kgf-cm, 44 inch lbs.)
6. INSTALL SKID CONTROL BUZZER ASSY(w/ VSC) [86652A/98-170]
a. Install the skid control buzzer.
b. Connect the skid control buzzer connector.
7. INSTALL INSTRUMENT PNL INSERT SUB-ASSY LWR LH [55406C/98-102]
8. INSTALL INSTRUMENT PANEL FINISH PANEL SUB-ASSY LOWER [55045/98-102]
9. PERFORM YAWRATE SENSOR ZERO POINT (w/ VSC).
10. PERFORM DECELERATION SENSOR ZERO POINT CALIBRATION (w/ VSC)
11. CHECK VSC SENSOR SIGNAL (w/ VSC)
REPLACEMENT
1. REMOVE INSTRUMENT PANEL FINISH PANEL SUB-ASSY LOWER [55045/98-102]
2. REMOVE INSTRUMENT PNL INSERT SUB-ASSY LWR LH [55406C/98-102]
3. REMOVE SKID CONTROL BUZZER ASSY (w/ VSC) [86652A/98-170]
a. Disconnect the skid control buzzer connector.
b. Remove the skid control buzzer.
4. REMOVE SKID CONTROL ECU ASSY [89540/98-1701
a. Remove the 2 nuts and disconnect the skid control ECU from the body.
b. Disconnect the skid control ECU connectors and remove the skid control ECU assembly
5. INSTALL SKID CONTROL ECU ASSY [89540/98-170]
a. Connect the skid control ECU connectors.
b. Install the skid control ECU to the body with the 2 nuts.
Torque: 5.0 Nm (51 kgf-cm, 44 inch lbs.)
6. INSTALL SKID CONTROL BUZZER ASSY(w/ VSC) [86652A/98-170]
a. Install the skid control buzzer.
b. Connect the skid control buzzer connector.
7. INSTALL INSTRUMENT PNL INSERT SUB-ASSY LWR LH [55406C/98-102]
8. INSTALL INSTRUMENT PANEL FINISH PANEL SUB-ASSY LOWER [55045/98-102]
9. PERFORM YAWRATE SENSOR ZERO POINT (w/ VSC).
10. PERFORM DECELERATION SENSOR ZERO POINT CALIBRATION (w/ VSC)
11. CHECK VSC SENSOR SIGNAL (w/ VSC)
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.