- Symptoms - Power Take-Off (PTO)

Symptoms - Power Take-Off (PTO)

Important: The following steps must be completed before using the symptom tables.

1. Perform the Diagnostic System Check - Vehicle, before using the Symptom Tables in order to verify that all of the following are true: Initial Inspection and Diagnostic Overview

* There are no DTCs set.
* The control modules can communicate via the serial data link.

2. Review the system operation in order to familiarize yourself with the system functions. Refer to Cruise Control Description and Operation.

Visual/Physical Inspection

* Inspect for aftermarket devices which could affect the operation of the Power Take-Off system. Refer to Checking Aftermarket Accessories. Component Tests and General Diagnostics
* Inspect the easily accessible or visible system components for obvious damage or conditions which could cause the symptom.

Intermittent

Faulty electrical connections or wiring may be the cause of intermittent conditions. Refer to Testing for Intermittent Conditions and Poor Connections. Component Tests and General Diagnostics

Symptom List

* Power Take-Off (PTO) Does Not Engage
* Engine RPM Does Not Increase with Power Take-Off Engaged
* Power Take-Off (PTO) Indicator Inoperative