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 MANUALSTOYOTA19964RUNNER BASE, RWD, AUTOMATICREPAIR AND DIAGNOSIS (SINGLE PAGE)BRAKESTRACTION CONTROLANTI-LOCK BRAKE SYSTEM
1996 Toyota 4Runner Base, RWD, Automatic
Anti-Lock Brake System
1996 Toyota 4Runner Base, RWD, AutomaticSECTION Anti-Lock Brake System
- Description
- Operation
- Bleeding Brake System
- Trouble Shooting
- Diagnosis & Testing
- Notes
- Retrieving Diagnostic Trouble Codes
- Diagnostic Trouble Codes Definitions
- Notes
- Code 11: Open ABS Control Solenoid Relay Circuit, Defective ABS Control Solenoid Relay
- Code 12: Short To Voltage In ABS Control Solenoid Relay Circuit, Defective ABS Control Solenoid Relay
- Code 13: Open Or Short In ABS Control Pump Motor Relay Circuit, Defective ABS Control Pump Motor Relay
- Code 14: Short To Voltage In ABS Control Pump Motor Relay Circuit, Defective ABS Control Pump Motor Relay
- Code 21: Open Or Short In 2-Position Solenoid Circuit For Right Front Wheel, Defective ABS Actuator
- Code 22: Open Or Short In 2-Position Solenoid Circuit For Left Front Wheel, Defective ABS Actuator
- Code 23: Open Or Short In 2-Position Solenoid Circuit For Rear Wheel, Defective ABS Actuator
- Code 31: Malfunction Of Right Front Wheel Speed Sensor Signal
- Code 32: Malfunction Of Left Front Wheel Speed Sensor Signal
- Code 33: Malfunction Of Right Rear Wheel Speed Sensor Signal
- Code 34: Malfunction Of Left Rear Wheel Speed Sensor Signal
- Code 37: Neither Front Speed Sensor Rotor Missing, Front Axle Hub, Front Speed Sensor, Front Speed Sensor Circuit
- Code 41: Low Battery Voltage, Or Excessively High Battery Voltage
- Code 43: 4WDMalfunction Of Deceleration Sensor
- Code 44: 4WDOpen Or Short In Deceleration Sensor Circuit
- Code 48: Open Or Short In Rear Differential Lock Circuit
- Code 51: Actuator Pump Motor Is Locked
- Codes 71, 72, 73, 74, 75, 76, 77, 78, 79: Or Light Blinks 4 Times Per Second
- Always On
- Clearing Diagnostic Trouble Codes
- Speed Sensor Diagnostics
- Speed Sensor Diagnostic Trouble Codes
- Notes
- Code 71: Low Voltage Of Right Front Speed Sensor Signal
- Code 72: Low Voltage Of Left Front Speed Sensor Signal
- Code 73: Low Voltage Of Right Rear Speed Sensor Signal
- Code 74: Low Voltage Of Left Rear Speed Sensor Signal
- Code 75: Abnormal Change In Output Voltage Of Right Front Speed Sensor
- Code 76: Abnormal Change In Output Voltage Of Left Front Speed Sensor
- Code 77: Abnormal Change In Output Voltage Of Right Rear Speed Sensor
- Code 78: Abnormal Change In Output Voltage Of Left Rear Speed Sensor
- Code 79: Deceleration Sensor Diagnostics
- Light Blinks 4 Times Per Second
- Deceleration Sensor Diagnostics
- Actuator Check
- Circuit Tests
- Stoplight Switch Circuit
- Abs Warning Light Circuit
- Tc TERMINAL CIRCUIT
- Ts TERMINAL CIRCUIT
- DTC 11 & 12: Abs Control (Solenoid) Relay Circuit
- DTC 13 & 14: Abs Control (Motor) Relay Circuit
- DTC 21, 22 & 23: Abs Actuator Solenoid Circuit
- DTC 31, 32, 33 & 34: Speed Sensor Circuit
- DTC 37: Neither Front Speed Sensor Rotor Missing
- DTC 37: Tires Of Different Size (2WD)
- DTC 41: IG Power Source Circuit
- DTC 43: Deceleration Sensor Malfunction
- DTC 44: Deceleration Sensor Circuit
- DTC 48: Rear Differential Lock Circuit
- DTC 51: Abs Pump Motor Lock
- Component Testing
- Removal & Installation
- Overhaul
- Adjustments
- Torque Specifications
- Wiring Diagram
RENDER: 1.0x
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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.