DTC | P1653 | Error Check After IG-OFF Malfunction |
The diagnosis system tries the error test after switching off the ignition key. And then this fault occurs if any error is detected during this test. Information on the failure is stored in the ECM. A service technician can retrieve the information on the failure from the ECM and correct the problem.
DTC No | Detecting Condition & Limp Home | Suspected area |
P1653 | Detecting Condition During shut-off via no injection, the time required to drop to 500 rpm ＞ 1.5 seconds During shut-off via injector power-off, the time required to drop to 500 rpm ＞ 1.5 seconds Enable Condition - Engine RPM ＜ 970 rpm - Vehicle speed ＜ 3 km/h - No vehicle speed sensor error - No fuel pressure sensor error Limp Home None | - ECM |
● Cancel the fault memory and perform drive. ● If the fault cannot be cancelled, temporarily install a good ECM and check for proper operation. If problem is corrected, replace ECM. |
