1

Diagnostic ToolingDiagnostic Tooling

ADEM III TroubleshootingADEM III Troubleshooting

2

G3500B Start-up ToolingG3500B Start-up Tooling• IBM compatible Personal Computer (PC)

meeting minimum ET 2001 configuration requirements

 

JERD2124 Single user license for the ET

JERD2129Data subscription for all engines

171-4400Communication Adapter Group

7X-1414 Adapter Cable6V-2197 Magnetic Transducer6V-3093 Transducer Adapter7X-1695 Cable146-4080 Multimeter group9S-9082 Engine Turning Tool156-1070 or 156-1060

Emissions Analyzer

3

Electronic Service ToolsElectronic Service ToolsBefore rising alarm fill out a Caterpillar Electronic

Technician Troubleshooting Tracking Form

Technical Support:PHONE: +1 309 675-0999FAX: +1 309 675-0725E-MAIL: sssc@cat.com

4

Communication Adapter IICommunication Adapter II

http://eeweb01.tc.cat.com/396/396-01/product/catet/support/

5

• Fabricate a jumper wire Fabricate a jumper wire (100 to 150 mm, 4 to 6 (100 to 150 mm, 4 to 6 inches long) with Deutsch inches long) with Deutsch Terminals on both ends.Terminals on both ends.

• Use 7x- 1710 Multimeter Use 7x- 1710 Multimeter Probe to measure ADEM III Probe to measure ADEM III circuits voltagecircuits voltage

• Use 8T-8726 Adapter Cable Use 8T-8726 Adapter Cable (3 Pin Breakout) for PWM (3 Pin Breakout) for PWM sensors sensors

Electrical Troubleshooting Electrical Troubleshooting ToolsTools

6

Intermittent Electrical Intermittent Electrical ProblemsProblems

7

Deutsch “HD” ConnectorDeutsch “HD” Connector

•1987 production, “HD” 1987 production, “HD” stands for ‘heavy duty’.stands for ‘heavy duty’.

•Color has been black, and Color has been black, and varied graysvaried grays

•To mate, line up ribs, push To mate, line up ribs, push together and turn lock ring together and turn lock ring until it clicksuntil it clicks

•Extraction Tool is needed for Extraction Tool is needed for removal of the Pins and removal of the Pins and SocketsSockets

8

Deutsch “DT” ConnectorDeutsch “DT” Connector

1993 production...Some 1993 production...Some engines have both DT and HDengines have both DT and HD New Deutsch DT connector New Deutsch DT connector line (Black with Green wedges) line (Black with Green wedges) had solved the problem with had solved the problem with the seals coming loose. Pin the seals coming loose. Pin and socket extraction tool not and socket extraction tool not usedusedRemove wedge and depress Remove wedge and depress finger to extract each pin or finger to extract each pin or socket socket

9

MS ConnectorsMS Connectors

10

Wrong CablesWrong Cables

1.1. You can communicate with the ECM You can communicate with the ECM but you cannot flash it: but you cannot flash it:

2.2. You can flash the ECM but you You can flash the ECM but you cannot communicate with it: cannot communicate with it:

11

CAT ET will not CAT ET will not communicate with the communicate with the

ECMECM•Comm Adapter II 171-4401:

–Tool Problems–Computer/CAT ET Problems–Application Problems

• For Comm Adapter I (7X-1701): – Check for correct installation of SPM– Check for blown fuses