Important: The following steps must be completed before using the symptom tables.
- Perform the
Diagnostic System Check - Vehicle in Vehicle DTC Information, before
using the Symptom Tables in order to verify that all of the following are true:
| • | There are no powertrain control module (PCM) or throttle actuator control
(TAC) module DTCs set. |
| • | The PCM and TAC module can communicate to each other via the serial
data links. |
- Review the system operation in order to familiarize yourself with the
system functions. Refer to
Power Take-Off (PTO) Description and Operation.
Visual/Physical Inspection
| • | Inspect the easily accessible, or the visible system components for
obvious damage or conditions which could cause the symptom. |
| • | Inspect the transmission and the hydraulic pump for the proper fluid
level. |
Intermittent
Faulty electrical connections or wiring may be the cause of intermittent conditions.
Refer to
Testing for Intermittent Conditions and Poor Connections in Wiring Systems.
Symptom List
Refer to a symptom diagnostic procedure from the following list in order to
diagnose the symptom:
