FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
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DTC 1207

DTC P0725 Engine Speed Signal

DESCRIPTION
The engine speed signal is sent from the ECM to the TCM.

TCM TERMINALS AND REFERENCE VALUE





ON BOARD DIAGNOSIS LOGIC





DIAGNOSTIC TROUBLE CODE (DTC) CONFIRMATION PROCEDURE

CAUTION: Always drive vehicle at a safe speed.

NOTE: If "DIAGNOSTIC TROUBLE CODE CONFIRMATION PROCEDURE" has been previously conducted, always turn ignition switch OFF and wait at least 5 seconds before conducting the next test.

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

WITH CONSULT








1. Turn ignition switch ON and select "DATA MONITOR" mode for "ENGINE"

WITH CONSULT
2. Start engine and maintain the following conditions for at least 10 consecutive seconds.
VHCL SPEED SE: 10 km/h (6 MPH) or more
THRTL POS SEN: More than 1.2V
Selector lever: D position (O/D ON)


WITH GST
1. Start engine.
2. Drive vehicle under the following conditions:
Selector lever in D (O/D ON) position, vehicle speed higher than 10 km/h (6 MPH), throttle opening greater than 1/8 of the full throttle position and driving for more than 10 seconds.
3. Select "MODE 7" with GST


WITH NO TOOLS
1. Start engine.
2. Drive vehicle under the following conditions: Selector lever in D (O/D ON) position, vehicle speed higher than 10 km/h (6 MPH), throttle opening greater than 1/8 of the full throttle position and driving for more than 10 consecutive seconds.
3. Perform self-diagnosis for ECM. Refer to Computers and Control Systems. Computers and Control Systems


WIRING DIAGRAM - AT - ENGSS





DIAGNOSTIC PROCEDURE