Vehicle Speed Sensor Circuit

Description





The vehicle speed sensor-MTR is built into the speedometer assembly. The sensor functions as an auxiliary device to the revolution sensor when it is malfunctioning. The TCM will then use a signal sent from the vehicle speed sensor-MTR.





TCM TERMINALS AND REFERENCE VALUE





ON BOARD DIAGNOSIS LOGIC

DIAGNOSTIC TROUBLE CODE (DTC) CONFIRMATION PROCEDURE

CAUTION:
- Always drive vehicle at a safe speed.
- If conducting this "DTC CONFIRMATION PROCEDURE" again, always turn ignition switch "OFF" and wait at least 5 seconds before continuing.

After the repair, perform the following procedure to confirm the malfunction is eliminated.

With CONSULT-II





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1. Turn ignition switch "ON" and select "DATA MONITOR" mode for "A/T" with CONSULT-II.
2. Start engine and accelerate vehicle from 0 to 25 km/h (0 to 16 MPH).

Without CONSULT-II
1. Start engine.
2. Drive vehicle under the following conditions: Selector lever in "D" and vehicle speed higher than 25 km/h (16 MPH).





3. Perform self-diagnosis.
Refer to TCM SELF-DIAGNOSTIC PROCEDURE (No Tools).





Wiring Diagram - AT - VSSMTR

Diagnostic Procedure





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