Diagnostic Procedures
CLOSED THROTTLE POSITION AND WIDE OPEN THROTTLE POSITION CIRCUITDiagnostic Procedure
1. CHECK CAN COMMUNICATION LINE
Perform the self-diagnosis. Refer to "SELF-DIAGNOSTIC PROCEDURE (WITH CONSULT-II)", "TCM SELF-DIAGNOSTIC PROCEDURE (NO TOOLS)".
Is a malfunction in the CAN communication indicated in the results?
YES >>Check CAN communication line. Refer to "DTC U1000 CAN COMMUNICATION LINE" .
NO >>GO TO 2.
2. CHECK THROTTLE POSITION SIGNAL CIRCUIT
With CONSULT-II
1. Turn ignition switch "ON". (Do not start engine.)
2. Select "ECU INPUT SIGNALS" in "DATA MONITOR" mode for "A/T" with CONSULT-II.
3. Depress accelerator pedal and read out the value of "CLSD THL POS" and "W/O THL POS".
OK or NG
OK >>INSPECTION END
NG >>Check the following items. If NG, repair or replace damaged parts.
^ Perform the self-diagnosis for "ENGINE" with CONSULT-II. Refer to "CONSULT-II Function". With Manufacturer's Scan Tool (Consult-II)
^ Open circuit or short to ground or short to power in harness or connectors.
^ Pin terminals for damage or loose connection with harness connector.