Dtc P0697 (Flash Code 57) Sensor Reference Voltage 3 Circuit - Isuzu 4LE2 Workshop Manual

1. DTC P0697 description of DTC
The ECM supplies 5 V power to the following sensors
through power supply circuit 3.
Oil pressure sensor
The ECM monitors the voltage of 5 V power supply
circuit 3, and if it detects that the voltage is abnormally
low or high, the DTC is set.
2. DTC P0697 condition for setting the DTC
DTC P060B is not set.
The battery voltage is 8 - 16 V.
The ignition switch is ON.
The ECM detects that the voltage of 5 V power supply
circuit 3 is 4.5 V or less, or 5.5 V or more.
3. DTC P0697 action taken when the DTC sets
Failure is indicated in the monitor on the machine, or the
diagnostic light illuminates.
Note：
・ Depending on the machine manufacturer, the
failure indication may not be shown.
The engine is stopped.
The EGR control is disabled.
The following assumes a default value.
Engine oil pressure
IMT
DTC P0697 (Flash Code 57)
Sensor Reference Voltage 3 Circuit
DTC Information (4LE2 (12V)) 15E-47