Operation CHARM: Car repair manuals for everyone.

ENGINE SPEED SIGNAL

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




TCM TERMINALS AND REFERENCE VALUE
Remarks: Specification data are reference values.




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
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 1.2 V
Selector lever: D position (OD "ON")

OR

With Generic Scan Tool
1) Start engine.
2) Drive vehicle under the following conditions: Selector lever in "D" (OD "ON"), 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) Select "MODE 7" with GST.

OR

Without Scan Tools
1) Start engine.
2) Drive vehicle under the following conditions: Selector lever in "D" (OD "ON"), 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.




DIAGNOSTIC PROCEDURE