Repair Parking Brake System For Cat Motor Grader 160h

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NOTE:

Caterpillar Electronic Technician is a software program that runs on an IBM compatible personalcomputer. To use Caterpillar Electronic Technician (ET), order ET Single Use Program License software,JERD2124; the information and requirements sheet, JEHP1026; the RS232 connection cable, 7X-1688 andthe Data Subscription, JERD2142. The requirements and information sheet lists the hardware required andthe features of ET.The service tool ET is not needed to determine or clear service codes, but it makes the tasks easier and faster.ET can also display service code history information. These features make ET a useful troubleshooting tool.ET connects to the datalink service connector which is round and has 9 contacts. The data link serviceconnector is located next to the key start switch. For more information, see the Electrical System Schematicin the machine Service Manual.To use the ET service tool, choose the MACHINE FUNCTIONS option from the main menu. The next menuis a list of the Electronic Control Modules (ECM) installed on the machine. Choose the menu item"Steer/Brake/Transmission". After determining the service codes with CAT ET, see the topicTroubleshooting Detected Faults that correspond to the service codes.

Using The 8T-8697 Electronic Control AnalyzerProgrammer (ECAP)

Page3 of27160H Motor Grader 2FM00001-UP (MACHINE) POWERED BY 3306 Engine(SEBP...30/01/2009https://sis.cat.com/sisweb/sisweb/techdoc/....

NOTE:

The preceding chart has changed from the former issue.The ECAP can be used to: program the transmission ECM, check current machine operating status, check abusive events and check diagnostics codes from the transmission ECM.Prior to connecting the ECAP into the service port on the motor grader, the service equipment must beproperly configured. The following steps will configure the ECAP.

1.

Install the NEXG4523 Service Program Module (computer chip) into the 7X-1700 CommunicationAdapter as shown on pages two and three of SEHS9264, Using The 7X-1700 Communication AdapterGroup.

2.

Install the NEXG4521 Machine Functions Service Program Module (two computer chips) into the 8T-8697Electronic Control Analyzer Programmer (ECAP) as shown in SEHS9343, Using The ECAP NEXG4521Machine Functions Service Program Module.

3.

Connect 7X-1420 Cable between ECAP and 7X-1700 Communication Adapter as shown in SESH9343,Using The ECAP NEXG4521 Machine Functions Service Program Module.

NOTE:

ECAP receives operating power from the Electronic Control Module (ECM) through the 9-pin CATData Link Connector.The following procedure can be used to program the transmission ECM as well as obtain operating status anddiagnostics.

(1) Service port. (Remove the cap.)

1.

Connect the 7X-1570 Cable to the service port (1) which is the 9-pin, gray plastic, Deutsch®connectorlocated on the front of the seat on the drivers right hand side.

2.

Either start the engine or turn the Start/Stop Key Switch to the Run position.

3.

At this point the first ECAP screen will appear entitled "Electronic Control Programmer Analyzer". Select"Machine Functions" and press Return in order to direct ECAP to the next screen entitled "Machine ECMSelection" screen.