Before disconnecting connectors of sensors or units, be sure to disconnect the ground cable from battery. When replacing the electrical parts provided with memory functions that store contents specified by a customer, record the memory contents before disconnecting the battery ground cable. |
Preparation tool
ComponentDtc p1493 coil 1 egr "a" control circuit high
NOTE:For the diagnostic procedure, refer to DTC P1499. Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC P0851 PARK/NEUTRAL SWITCH INPUT CIRCUIT LOW1. OUTLINE OF DIAGNOSISDetects open or short circuit of EGR.Judge as NG when the ECM output level differs from the actual terminal level.2. ...