This PTO oil temperature gauge service manual provides technicians with step-by-step diagnostic procedures for troubleshooting inoperative oil temperature gauges on PACCAR trucks manufactured 2011 and newer. Published by PACCAR as part of their Electrical System Service Manual, this guide covers the multiplexed instrumentation system and uses the Electronic Service Analyst (ESA) diagnostic tool to identify circuit faults, sensor defects, and wiring issues affecting the PTO oil temperature gauge.
The manual is designed for service technicians and workshop owners familiar with ESA hardware and software who need to diagnose and repair gauge-related diagnostic trouble codes in the cab electronics group.
Document details and specifications — PTO oil temperature
| Brand | PACCAR |
| Model coverage | 2011 and newer PACCAR trucks |
| System/Group | DTCs / Cab — Electrical System |
| Publication number | PM819003/KM815056 |
| Year/Revision | 09/16/2011 |
| Pages | 4 |
| File size | 0.2 MB |
| Format | |
| Language | English |
Table of contents
- PTO Oil Temperature Gauge Inoperative — DTC 9003 and DTC 9004
- Step-by-step diagnostic flowchart using ESA Monitor and Simulate functions
- CVSG data link wiring checks and continuity verification
- DTC 9003 diagnosis (open circuit in PTO oil temperature circuit)
- DTC 9004 diagnosis (short in PTO oil temperature circuit)
- Sensor connector pinout and ground/signal wire testing
- Thermistor sensor resistance values and temperature reference table
- Jumper wire testing and sensor replacement procedures
Applies to these models
This oil temperature gauge manual applies to PACCAR trucks from 2011 onwards equipped with multiplexed cab instrumentation and thermistor-based oil temperature sensors. The procedures cover diagnostic work on the Chassis Node connector, CECU (Cab Electronic Control Unit), and the complete PTO oil temperature sensing circuit. For additional PACCAR service information and technical resources, visit PACCAR official.
Who needs this oil temperature gauge manual
Service technicians, diagnosticians, and workshop managers working on PACCAR trucks require this manual when encountering an inoperative oil temperature gauge or receiving DTC 9003 and DTC 9004 fault codes. The oil temperature gauge guide is essential for anyone using ESA diagnostic software to troubleshoot multiplexed cab electronics and sensor circuits.
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