NOTE There is tolerance of in the speedometer indication

2. Check speed sensor.

Front:

PREPARATION:

a. Make sure that there is no looseness at the connector lock part and connecting part of the connector.

b. Disconnect the speed sensor connector.

CHECK:

Measure resistance between terminal 1 and 2 of the speed sensor connector. OK:

2004 BRAKES ABS With EBD & BA & TRAC & VSC System - Diagnostics - Sequoia

G02921778

Fig. 31: Measuring Resistance Between Terminal Of Speed Sensor Connector Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

CHECK:

Measure resistance between terminal 1 and 2 of speed sensor connector and body ground. OK:

Resistance: 1 Mohm or higher Rear:

PREPARATION:

a. Make sure that there is no looseness at the connector lock part and connecting part of the connector.

b. Disconnect the speed sensor connector.

CHECK:

Measure resistance between terminal 1 and 2 of speed sensor connector. OK:

2004 BRAKES ABS With EBD & BA & TRAC & VSC System - Diagnostics - Sequoia

G02921779

Fig. 32: Measuring Resistance Between Terminal Of Speed Sensor Connector Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

CHECK:

Measure resistance between terminal 1 and 2 of the speed sensor connector and body ground. OK:

Resistance: 1 Mohm or higher NG: Replace speed sensor.

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