Fault Code Inst 13022 - New Holland T8010 Manual

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Transmission Oil Temperature Sensor Signal Too High

Transmission oil temperature sensor voltage out of range high.

Possible failure modes:

1. Transmission oil temperature sensor failed.

2. Transmission oil temperature sensor wiring harness problems (open circuit, short to power).

3. Instrument controller failure.

Check the transmission oil temperature sensor resistance, the instrumentation controller and the wiring from the

instrumentation controller to the transmission oil temperature sensor.

1. Test the resistance of the transmission oil temperature sensor.

Locate the transmission oil temperature sensor at the transmission oil filter.

Disconnect connector C089 from the transmission oil temperature sensor.

Inspect the connector. Clean the connection.

Measure the sensor resistance between the connection and the chassis ground as shown in the table below.

If the resistance is not as specified, replace the transmission oil temperature sensor.

If it is as specified, go to the next Step.

2. Check the wiring from the transmission oil temperature sensor C89 pin 1 to connector C60 pin 22 to connector

CN-1 pin 24 at the instrumentation controller.

The power supply at the transmission oil temperature sensor connector should be about 5 VDC when the

tractor key is in the 'ON' position.

There should be good continuity from the transmission oil temperature sensor connector to the cavity 22 of

C060 and then to the cavity 24 of CN-1.

Check for an open circuit or short to the ground.

NOTE: Always inspect connector ends for damaged, bent or dislocated pins when troubleshooting.

NOTE: See schematic sections 24, 25 and 26 on the schematic poster.

Section 55 - Electrical System, Controller - Chapter 2

FAULT CODE INST 13022

Table of Contents

T8020 T8030 T8040