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Freightliner Cascadia Mod_6_083010
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Student Guide Page 1Class Name – Version Date 1
Module 6 – ServiceLink
Student Guide Page
Module 6 Objectives
2
A. Use ServiceLink to monitor Cascadia ECUs
B. Use ServiceLink to monitor MSF Switches
C. Use ServiceLink to read/change parameters
D. Use Templates to monitor Cascadia SAM inputs/outputs
Worksheet 6.1 Troubleshooting Complaint …………………………... 6-5
Exercise 6.2 Starter Relay, Crank Enable Tem-plate ................. 6-9 Exercise 6.3 ServiceLink .......................................................... 6-10 Exercise 6.4 ECU Compatibility ................................................ 6-
12 Exercise 6.5 Returning Control to Headlight I/O…………............ 6-
13 Module 6 Review ...................................................................... 6-
15
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Student Guide Page
ServiceLink Demonstration
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▸ USB-Link replaces Magic Key
▸ Required to access CAN information
▸ Must set up for USB-Link in Admin screen
USB-Link
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Student Guide Page
ServiceLink Demonstration
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ServiceLink Offline not part of initial download
▸ Go to Admin
▸ Offline Setup
▸ Click on Download ServiceLink Offline
▸ An icon will appear on yourdesktop for ServiceLink Offline
▸ All templates work in Offline
6-3
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Student Guide Page
ServiceLink Demonstration
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Datalink information is now shown on separate screens
▸ 1st Displays CAN
▸ Datalink buttons
▸ Software Version displayed
▸ Chooses:templates andparametersby version
▸ Problem ECUsshown at bottom of screen
▸
Module 6 – ServiceLink Demonstration
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Student Guide Page
ServiceLink Demonstration
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This screen shows the J1939 Datalink
▸ Note ECUs listed
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Student Guide Page
ServiceLink Demonstration
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This screen shows the J1708 Datalink
▸ Note ECUs listed
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Student Guide Page
Worksheet 6.1- Troubleshooting complaint
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Customer Complaint:
Sleeper light shuts off when in use,
Driver wants light to stay on to finish book work
What could be possibly causing the light to go out?
__________________________________________________________________
__________________________________________________________________
Where would the driver find information on the possible cause of Sleeper light going out?
___________________________________________________________________
Where would the technician find additional information on LVD?
__________________________________________________________________
Source:
Drivers manual – Electrical section – 3.4, 3.5 ,3.6
TM Cab Systems C06 Standard Features, .09 Power Management
Voltage drop to a point that LVD or PLVD (Powernet Management) shuts off Electrical loads to keep batteries from going so low that they would not start the truck
6-5
6
Student Guide Page
SAM Cab LVD Function
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Key On,Eng. On, less than
12.5 V
Key ON, Offor ACC On,
with Eng. Off,less than
12.3 V
6-6
Cascadia Powernet ManagementPriority level 1, 2, 3 loads shut downs
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Student Guide Page
SAM Cab LVD Function
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Key Off, Eng. Off less than
12.3 V
Key ON, Offor ACC On, with Eng.
Off,less than 12.05 V
Priority level 3 loads only effected by LVDKey Off, Eng Off, less than 12.05 V
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Designated Loads
Priority level 2 and 3 loads and shut downs
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Student Guide Page
Exercise 6.1
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▸ Connect ServiceLink to the truck and open the Progressive Low Voltage Disconnect Template .
▸ Start the engine to bring the voltage on the template to above 14.5, you only need to run it for a very short time to do this.
▸ Turn off the engine and remove the ground cables from 3 of the batteries.
▸ Turn the ignition switch to on.
▸ Turn on the footwell lamp and the dome lamp.
6-8
When performing this exercise on a truck
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Student Guide Page
Exercise 6.1 Power Management Template LVD
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1. Observe the template using ServiceLink.
Now begin pulling the voltage down by turning on the HVAC blowers and the headlamps.
You may have to wait two or three minutes. You want to have the voltage below 12.3.
You want to be observing both the truck and the template.
2. Did the LVD cut out? Yes or No
3. What components shut off?
Footwell Lamp ___
HVAC Blower ___
Dome Lamp ___
Head Lamps ___
Turn off the head lamps and wait one or two minutes.
4. Did components turn back on? Yes or No
5. Locate the following Information in the Note Pad on the top bar of the template screen:
What is the time delays between levels and LVD: Going up __ Sec. Going down __Sec
XXX
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60 45
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Student Guide Page
Exercise 6.2 Starter Relay, Crank Enable Template
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1. Where would the driver find engine starting information? List Book __________________ Page _________2. Does this vehicle have a safety condition? Yes or No 3. What is the starter (safety) interlock? ___________________________Connect ServiceLink and open the Crank Enable template.4. Attempt to crank the engine without depressing the clutch. Did it crank? Yes or No 5. Does the template indicate when the clutch is depressed? Yes or No 6. Depress the clutch and attempt to crank the engine. Did it crank? Yes or NoLocate the engine ECU fuse (MCM) in the PTPDM and remove it (see Module 2).
Return fuse when finished testing7. Is there anything on the template that didn’t work? Yes or No 8. If yes, what was it? ____________________________________9. Where would the tech find additional information on engine starting / interlocks?______________________________________________________________________
Note: if conducting this test on a truck make sure to follow safety procedures
Drivers Manual 9.1
Clutch Switch
ENG RPM, tach needle moves to the far right
Driver complaint: Intermittent Engine Cranking
Cascadia TM under PowerTrain / Engine: P0101/7 – Theory of OperationP01.01/14 - parameters
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Student Guide Page
Exercise 6.3 ServiceLink
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Connect ServiceLink to the truck or one of the simulators.
1. How many ECU show up on the left hand column? _______________________
2. Which Datalink is active on the opening screen? ____________
3. Click on J1939, is the ECU list below the Datalink bar different?
Yes or No
4. Now click on J1708, are there ECU’s “grayed out” on this list?
Yes or No
5. Why are they “grayed out”?a. they are not installed on this vehicleb. they are not powered up at this timec. they report on a different data link and only show up here because of a
message generated by the CGWd. none are “grayed out”
Approx 11, Depends on truck
(Cabin) CAN
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Student Guide Page
Exercise 6.3 ServiceLink
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6. Click on the Central Gateway icon in the left column and go to Flashing, go ahead and re-flash the CGW.
Was it successful? Yes or No 7. When would you re-flash an ECU? (Choose all that apply)
a. before conducting any troubleshootingb. as a last resort when no problems are found and you suspect an ECU
problemc. when there is an update to the software for a specific problemd. when you install a new ECU
Click on the Modular Switch Field icon in the left column and then click on the Parameters button Look at the options on the template.
8. What should be done before changing any parameters? a. Reset parametersb. Create a save point.c. Restore a save point
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Student Guide Page
Exercise 6.3 ServiceLink
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9. Find a parameter, other than the first one on the list, that is filled in and double click on it. Once the new screen opens up, click on the arrow to the right of box with the Part Number Options. This should give you two PARM part numbers and descriptions. One will end in NC.
What do you think NC means?
_________________________________________________________________
10. Now click on the Switches button. This is an interactive list of all the switches connected to the MSF. Activate some of the switches and watch the screen. Were you able to see them change?
Yes or No
11. Now activate the ID154 switch; did you see it change? Yes or No
12. If No, why not? ___________________________________________________
No Content - It turns the switch function off
Not a multiplexed switch
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Student Guide Page
a. Connect the ServiceLink to the truck or simulator board(must have 5.2 or newer SAM software loaded).
b. Turn IGN key on
c. Open CAN template “Marker Tail and Clearance Lamps”
1. Observe the “ECU Compatibility” area in the upper-left corner, fill and answer the following:
What is the software version – SAM Cab: • •
2. Is the Software version compatible with this template? (Circle one) Yes / No
What is the software version – SAM Chassis: • •
3. Is the Software version compatible with this template? (Circle one) Yes / No
Exercise 6.4 ECU Compatibility, I/O controls and Safety Interlocks
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7 36 5
7 36 5
6-12
or later
or later
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Student Guide Page
Exercise 6.4 ECU Compatibility- I/O controls and Safety Interlocks
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4. How many marker and clearance lamps circuits have I/O control buttons available? _______
Observe the “IO Control Safety Interlocks” area in the far-left side and answer the following:
5. What is the color and status of the Park Brake interlock? ___________________
6. What is the color and status of the Vehicle Speed interlock?_________________
Make sure the headlight switch in the cab is off. In the template, turn on the output: Marker Corner Front Left
7. Look at the vehicle. Did the lamp turn on?_______________________________
Observe the “IO Control Safety Interlocks” area again, Release park brake (Safety)
8. Did the park brake color and status change? If so, to what? _________________
9. Look at the vehicle. Did the lamp turn on? Why or why not?
__________________________________________________________________
Click the “Return Control to Vehicle” button
10. Did the lamp turn off? ___________________________________
Close the template
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Green / SetGreen / 0 MPH
Yes
Yes
Yes / Red
No / only needs one of the safety interlock needs to be met, (0 MPH)
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Student Guide Page
Exercise 6.5 Returning Control and Headlight I/O:
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a. Connect the shop PC to a truck with 5.2 or newer SAM software.
b. Turn IGN key on
c. Open CAN template “Headlights, Low beam, High beam, Flash to Pass, Follow Me Home”
d. Turn on the headlights with the rotary switch in the dash
1. Which controls changed status in the template?
___________________________________________________________________
2. What does this tell you about the Input’s and Output’s of the Headlight Circuit?
___________________________________________________________________
___________________________________________________________________
Input: Rotary Switch Output: Low beam Left / Right (ON)
Input / Output for the Low beam Left and Right is working, any non functioningLow beam light is a chassis wiring problem or failed component (lamp) or an burned out SAM Cabin FET. G02.04/707/32 – Logic Controlled Unfused Outputs
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Student Guide Page
Exercise 6.5 Returning Control and Headlight I/O
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Turn off the headlight switch in the dash In the template click the “ON” button next to the Low beam outputs
3. Which lights have turned on?
__________________________________________________________________
4. What can does this tell you about the low beam?
___________________________________________________________________
In the template, click the “OFF” button next to the low beam outputs
5. Did the low beam lights turn off? (Circle one) YES or NO
If No, why not?
___________________________________________________________________
Low beam Left / Right
NA / answer was Yes
Confirms SAM output to Low beam Left / Right is working,
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Student Guide Page
Exercise 6.5 Returning Control and Headlight I/O:
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Turn on the headlights again using the rotary switch in the dash6. Did the low beam lights turn on? (Circle one) YES or NO If No, why not?___________________________________________________________________In the template, click the “Return Control to Vehicle” button in the upper-right corner.7. Did the low beam lights turn on? (Circle one) YES or NO IF Yes, what was keeping the light from be on when the headlight switch was turn
on?______________________________________________________________________________________________________________________________________locate the following Information in the Note Pad on the top bar of the template
screen:8. What condition activates the Follow Me Home feature.___________________________________________________________________Close the template.
ServiceLink template is controlling the SAM Cabin
ServiceLink template has controlling SAM Cabin, using the returned control to the vehicle button, removed template control
6-13
Key switch is turn off with in 30 seconds after the head light switch being turn off
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Student Guide Page
Review Reminder
▸ Please complete the review questions at the end of the module
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Student Guide Page
Module 6– ServiceLink
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1. Why does ServiceLink require the use of the Nexiq USB-Link?
2. What is the names of 4 ECU that show up on the ServiceLink CAN ECU list?
3. In the LVD function the Utility Light is in which of the following Designated LoadsCircle one
Priority Level I Loads Priority Level II Loads Priority Level III Loads
4. In the ServiceLink CAN template with IO controls, what are the two IO Control Safety Interlocks
5. Where on the opening ServiceLink screen does a problem ECU show up?
To access CAN information
SAM Cabin, Central Gateway, Modular Switch Field, SAM Chassis
Park Brake and Vehicle Speed
Bottom of the screen
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Student Guide Page
Module 6 Review
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The Student will be able to: A.Use ServiceLink to monitor Cascadia ECUsB.Use ServiceLink to monitor MSF SwitchesC.Use ServiceLink to read/change parametersD.Use Templates to monitor Cascadia SAM inputs/outputs
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