When the ignition switch is ON, the battery voltage is applied through the ignition switch and inhibitor switch to the ECM. Monitoring and after the ignition off operation are used to check different hardware functions. For ignition on the condition " monitoring " is valid and for ignition off the conditon "after ignition off operation" is valid. The condition "after ignition off operation" normally ends with shut-off of the main relay. In case of the the ECM terminal No.58 signal failure, the engine symptoms will occur the running enigne stall,starting impossible and main relay switch off immediately.
If the battery voltage is not supplied to the ECM after turning the ignition switch ON, this code will be set.
DTC NO. | Detecting Condition | Possible Cause |
P 1652 | ● P 1652 Error is recognized if the battery voltage is not applied to the ECM terminal 58 after turning the ignition switch ON ● Engine Condition : IG ON ● Fuel Limit : NO ● Fuel Cut : NO ● EGR OFF : NO ● MIL : NO | ● Open or short in circuit ● Ignition switch ● Fuse ● ECM |
