Troubleshooting

RENR2696-01 113
Troubleshooting Section
The output from the throttle demand sensor is 4.5
volts or more wi
th the sensor slot in the advanced
position.
Results:
•
OK
Repair: The operation of the throttle demand
sensor is correct. The fault is caused by the foot
pedal or the le
ver assembly. Adjust the assembly
or replace the assembly.
Verify that t
he repairs have eliminated the fault.
STOP.
•
Not OK – The throttle demand sensor is faulty.
Repair: Repla
ce the throttle demand sensor.
Verify that the repair has eliminated the fault.
STOP.
i01798197
CAN Data Lin k Circu it - Test
System Operation Description:
Use this procedure if another procedure has directed
you here. Also use this procedure if any of the
following d
iagnostic codes are active:
•
342-2 Speed and Timining Sensor No.2 intermittent
signal
The CAN Data Link is the communication link
between the
Electronic Control Module (ECM) and
the fuel injection pump. The CAN Data Link is used
to communicate the following information:
•
Engine timing
•
Fuel demand
to the fuel injection pump
•
Data from the fuel injection pump
•
Status of the fuel injection pump
A failure in
the CAN Data Link will cause the following
conditions:
•
The engine
will shut down.
•
The engine will not start.
Note: Do not attempt to repair the wire harness
between the ECM
and the fuel injection pump. If the
wire harness is damaged the wire harness must be
replaced.