If or more malfunctions are indicated at the same time the lowes numbered code will be displayed st

Fig. 15: Blinking Pattern - Malfunction Code

3. After doing the check, disconnect terminals Ts and CG, Tc and CG of DLC3, and turn the ignition switch OFF.

SST 09843-18040

3. In case of using TOYOTA hand-held tester: SENSOR CHECK (TEST MODE)

2001 BRAKES ABS With EBD & Trac & VSC System - Diagnostics - Sequoia

Manual System Brake Abs
G02810171

Fig. 16: Identifying Connection Between DLC3 Connector & Hand-Held Tester

NOTE: When having replaced the steering angle sensor, master cylinder pressure sensor, deceleration sensor and/or ECU, perform zero point calibration of the steering angle, master cylinder pressure and deceleration sensors (See step 6 . Make sure that this operation should be done before starting the following.

a. Hook up the TOYOTA hand-held tester to the DLC3.

c. Read the DTC by following the prompts on the tester screen.

NOTE: Please refer to the TOYOTA hand-held tester operator's manual for further details

DTC of ABS sensor check function:

2001 BRAKES ABS With EBD & Trac & VSC System - Diagnostics - Sequoia

Code No.

Diagnosis

Trouble Area

C1271 171

Low output voltage of right front speed sensor

•Rightfront speed sensor ■Sensor installation • Sensor rotor

C1272/72

Low output voltage of loft fronl speed sensor

• Left front speed sensor

• Sensor installation

• Sensor rotor

C1273/73

Low output voltage of right rear speed sensor

•Right rear speed sensor

• Sensor installation

• Sensor rotor

01274i 74

Low output voltago of loft roar spcod sensor

* Left rear speed sensor •Sensor installation

• Sensor rotor

C1275/75

Abnormal change in output voltage of right front speed sensor

Right fronl speed sensor rolor

C 1276/ 76

Abnormal change In output voltage of left front speed sensor

Left fronl speed sensor rotor

CI277/77

Abnormal change In output voltage of right rear speed sensor

Right rear speed sensor rotor

C1278/ 78

Abnormal change In output voltage of left rear speed sensor

Left rear speed sensor rotor

C1279/ 79

Deceleration sensor Is faulty

•Deceleration sensor •Sensor installation

C1281/ 01

Master' cylinder pressure sensor output signal is laully

Master cylinder pressure sensoi

G0281Q172

G0281Q172

Fig. 17: DTC Of ABS Sensor Check function

Do It Yourself Car Diagnosis

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  • Hanno
    How to check abs brakes?
    7 years ago

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