IK1900240 ­ Pressure Transducer (PT) Switch Install

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IK1900240

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5/12/2015
Kevin
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11

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Title : Pressure Transducer (PT) Switch Install
Applies To : ProStar / LoneStar 2012 -Current

CHANGE LOG
Please refer to the change log text box below for recent changes to this article:
4/23/2015 - Initial Article Release
5/04/2015 - Added ISX to LoneStar parts kit
5/12/2015 - Added Link to A/C Refrigerant and Oil Capacities Article. Added E­Fix Column to Feature Code Table

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

DESCRIPTION
This document will guide the user through the necessary steps to install the Pressure Transducer (PT) Switch Conversion Kit into the
2012 ­ Current ProStar® (01-39) and LoneStar® .

SYMPTOM(s)
Diagnostic Trouble Code(s) & Dashboard Indicator Light(s):
DTC/Light

Description

Not Applicable

Not Applicable

Customer Observations or Concerns:
Failures to refrigerant portion of the A/C system in lower charge / no charge conditions.

SPECIAL TOOL(s) / SOFTWARE
Tool Description

A/C Machine
EZ-Tech®

Tool Number

Comments

Instructions

34988 or 980C-NAV

NA

NA

NA

NA

NA

SERVICE PARTS INFORMATION

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IK1900240 ­ Pressure Transducer (PT) Switch Install

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Kit Description

Part Number

Quantity
Required

HVAC PT Sensor Conversion Kit / ProStar 113 BBC 2010 Sleeper

2514360C91

1

HVAC PT Sensor Conversion Kit / ProStar 122 BBC 2010 Sleeper

2514361C91

1

HVAC PT Sensor Conversion Kit / ProStar 122 BBC 2013 ISX Sleeper

2514362C91

1

HVAC PT Sensor Conversion Kit / LoneStar 122 BBC 2013 ISX Sleeper

2514363C91

1

HVAC PT Sensor Conversion Kit / ProStar 113 BBC Day Cab

2514364C91

1

HVAC PT Sensor Conversion Kit / ProStar 122 BBC Day Cab

2514365C91

1

HVAC PT Sensor Conversion Kit / ProStar 122 BBC 2013 ISX Day Cab

2514366C91

1

HVAC PT Sensor Conversion Kit / LoneStar 122 BBC 2013 ISX Day Cab

2514367C91

1

DIAGNOSTIC STEP(s)
For Diagnostic Procedures, refer to IK1900228.

WARNINGS / CAUTIONS

To prevent property damage, personal injury, and / or
death, park vehicle on hard flat surface, turn the engine
off, set the parking brake, and install wheel chocks to
prevent the vehicle from moving in either direction

To prevent personal injury and / or death, always wear safe
eye protection when performing vehicle maintenance.

To prevent property damage, personal injury and / or
death, disconnect the main negative battery terminal
before removing or installing any electrical components.

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IK1900240 ­ Pressure Transducer (PT) Switch Install

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To prevent property damage, personal injury and / or
death, allow engine to cool before removing components.

To prevent property damage, personal injury and / or
death, never put any part of your body beneath a raised
hood unless the hood is all the way forward in its range of
motion and is fully settled in the over center position.

REPAIR STEP(s)
PROCEDURE:

Graphics depicted in this procedure are shown on an N13
equipped ProStar® 122 vehicle. All procedural steps
should be considered typical except where noted.

This procedure requires use of an A/C machine.

Figure 1: A/C Machine.
1. Bring vehicle into shop and park on flat surface.
2. Shift transmission to Park or Neutral, set parking brake, and install wheel chocks.
3. Unlatch and open hood. If necessary, remove front bumper and hood.
4. Disconnect negative battery cable / terminal.

Record recovery waste oil level for future reference.

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5. Using A/C machine (Figure 1), begin to evacuate A/C system.

Figure 2: Interior Accessory Grommet.
Item 1: Accessory grommet
Item 2: Kit­supplied wire
6. Remove driver-side interior kick panels.
7. Locate the interior accessory grommet (Figure 2, Item 1) just forward of the operator pedals.
8. Using pick tool, puncture hole through grommet to create a pass through location.
9. Insert the unterminated side of the kit-supplied wire (Figure 2, Item 2) through the pass through location of grommet, working towards
the front of vehicle.

Figure 3: Body Control Module (BCM) - J3 Connector.
Item 1: Connector

10. Access the vehicle BCM.
11. Locate RED J3 connector (Figure 3, Item 1) on vehicle BCM and disconnect.
12. Disengage the gray connector lock.

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Figure 4: Cavity B9.
Item 1: Cavity B9
Item 2: Kit-supplied harness
13. Route the terminated side of the kit-supplied wire through the J3 connector lock.
14. Populate the terminated side of the kit-supplied wire (Figure 4, Item 2) into cavity B9 (Figure 4, Item 1) of the connector.
15. Engage connector lock.
16. Connect J3 connector to BCM.
17. Inspect A/C machine to verify recovery is complete. Once complete, ensure there is no pressure in either line.
18. Remove air cleaner assembly.
19. From the engine compartment, insert the BCM wire into the kit­supplied split loom.

To prevent component damage, do not route wiring /
harness near any moving parts.

ONLY secure BCM wire / split loom harness assembly to
42-way harness located under the cowl tray at this point of
procedure. Dependent on engine equipped, the secure
points on the 42­way harness may vary.
20. Route the BCM wire / split loom harness assembly under the cowl tray and secure to existing 42-way harness with tie wrap(s) (under
cowl tray ONLY):
• MaxxForce 13 / N13 - engine equipped vehicles, route following A/C discharge and liquid lines, working towards PT sensor area.
• Cummins - engine equipped vehicles, route following main engine harness working towards discharge and liquid lines located on
passenger side of vehicle.

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Figure 5: Pressure Transducer (PT) Sensor.
Item 1: PT sensor
Item 2: Harness
21. Disconnect harness (Figure 5, Item 2) and remove the existing PT sensor (Figure 5, Item 1) from the liquid line.

Figure 6: AC Compressor Discharge Line - N13
Equipped ProStar 122.
Item 1: Discharge line
Item 2: Kit-supplied cap
Item 3: PT sensor connector

Save P-clamps for reuse.
22. MaxxForce 13 / N13 - engine equipped vehicles, remove compressor discharge line and discard.
23. MaxxForce 13 / N13 - engine equipped vehicles, install kit-supplied discharge line (Figure 6, Item 1). Secure using existing Pclamps and new tie­wraps.
24. MaxxForce 13 / N13 - engine equipped vehicles, install kit-supplied cap (Figure 6, Item 2) into liquid line. Tighten securely.

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Figure 7: A/C Compressor Discharge Line ­ Cummins
Equipped ProStar 122.
Item 1: Discharge line

Save P-clamps for reuse.
25. Cummins - engine equipped vehicles, remove compressor discharge line and discard.
26. Cummins - engine equipped vehicles, install kit-supplied discharge line (Figure 7, Item 1) at compressor.

Figure 8: A/C Compressor Discharge Line ­ Cummins
Equipped ProStar 122.
Item 1: Discharge line

To prevent component / engine damage, never attempt to