DTC 0804

COMPONENT DESCRIPTION
The malfunction information related to A/T (Automatic Transaxle) is transferred through the line (circuit) from A/T control unit to ECM. Therefore, be sure to erase the malfunction information such as DTC not only in A/T control unit but also ECM after the A/T related repair.




ECM TERMINALS AND REFERENCE VALUE
Remarks: Specification data are reference values, and are measured between each terminal and (25) (ECCS ground) with a voltmeter.




ON BOARD DIAGNOSIS LOGIC

DIAGNOSTIC TROUBLE CODE CONFIRMATION PROCEDURE
NOTE: Before performing following procedure, confirm that battery voltage is more than 10.5V.

With Consult
(1) Turn ignition switch "ON".
(2) Select "DATA MONITOR" mode with CONSULT.
(3) Wait at least 40 seconds or start engine and wait at least 40 seconds.

OR

With GST
(1) Turn ignition switch "ON".
(2) Wait at least 40 seconds or start engine and wait at least 40 seconds.
(3) Select "MODE 7" with GST.

OR

No Tools
(1) Turn ignition switch "ON".
(2) Wait at least 40 seconds or start engine and wait at least 40 seconds.
(3) Turn ignition switch "OFF", wait at least 5 seconds and then turn "ON".
(4) Perform "Diagnostic Test Mode II (Self-diagnostic results)" with ECM.




WIRING DIAGRAM




DIAGNOSTIC PROCEDURE