RM3660EC _57 Power Source / Network _080742 POWER DISTRIBUTION _0596896 POWER INTEGRATION SYSTEM Y

POWER DISTRIBUTION  POWER INTEGRATION SYSTEM  HOW TO PROCEED WITH TROUBLESHOOTING  


CAUTION / NOTICE / HINT

HINT:
·

Use these procedures to troubleshoot the power integration system.

·

*: Use the GTS.



PROCEDURE

1.VEHICLE BROUGHT TO WORKSHOP
Result:
Proceed to
NEXT



NEXT

2.INSPECT AUXILIARY BATTERY VOLTAGE
2.INSPECT AUXILIARY BATTERY VOLTAGE
a.

Measure the auxiliary battery voltage with the ignition switch off.

Standard Voltage:

11 to 14 V


If the voltage is below 11 V, recharge or replace the auxiliary battery before proceeding.


Result:
Proceed to
NEXT



NEXT

3.CHECK COMMUNICATION FUNCTION OF CXPI COMMUNICATION SYSTEM*
3.CHECK COMMUNICATION FUNCTION OF CXPI COMMUNICATION SYSTEM*
a.

Using the GTS, check the CXPI communication function to ensure that there are no malfunctions in the communication system.


Result:
Proceed to
No DTCs output
DTCs output



No DTCs output

4.CHECK VEHICLE CONTROL HISTORY (RoB)*

DTCs output

GO TO CXPI COMMUNICATION SYSTEM

Click herePower Source / Network>NETWORKING>CXPI COMMUNICATION SYSTEM>HOW TO PROCEED WITH TROUBLESHOOTING


4.CHECK VEHICLE CONTROL HISTORY (RoB)*
a.

Using the GTS, check for Vehicle Control History (RoB).

Body Electrical > Power Distribution Box > Utility
Tester Display
Vehicle Control History (RoB)
50005 475 55

b.

If the vehicle control history (RoB) is output, record it.


Result:
Result Proceed to
Vehicle Control History (RoB) is not output A
Vehicle Control History (RoB) is output B



A

5.CHECK FOR DTC*

B

GO TO VEHICLE CONTROL HISTORY (RoB)

Click herePower Source / Network>POWER DISTRIBUTION>POWER INTEGRATION SYSTEM>VEHICLE CONTROL HISTORY


5.CHECK FOR DTC*
a.

Check for DTCs and make a note of any codes that are output.

Click herePower Source / Network>POWER DISTRIBUTION>POWER INTEGRATION SYSTEM>DTC CHECK / CLEAR


b.

Clear the DTCs.

Body Electrical > Power Distribution Box > Clear DTCs
50002 475

c.

Recheck for DTCs.

Body Electrical > Power Distribution Box > Trouble Codes
50001 475

Result:
Proceed to
No DTCs output
DTCs output



No DTCs output

6.PROBLEM SYMPTOMS TABLE

DTCs output

GO TO DIAGNOSTIC TROUBLE CODE CHART

Click herePower Source / Network>POWER DISTRIBUTION>POWER INTEGRATION SYSTEM>DIAGNOSTIC TROUBLE CODE CHART


6.PROBLEM SYMPTOMS TABLE
a.

Refer to the Problem Symptoms Table.

Click herePower Source / Network>POWER DISTRIBUTION>POWER INTEGRATION SYSTEM>PROBLEM SYMPTOMS TABLE


Result:
Proceed to
Fault is not listed in problem symptoms table
Fault is listed in problem symptoms table



Fault is not listed in problem symptoms table

7.OVERALL ANALYSIS AND TROUBLESHOOTING*

Fault is listed in problem symptoms table

ADJUST, REPAIR OR REPLACE IN ACCORDANCE WITH PROBLEM SYMPTOMS TABLE

8.ADJUST, REPAIR OR REPLACE
Result:
Proceed to
NEXT



NEXT

END