RM38T0EC _57 Power Source / Network _104409 NETWORKING _0479614 CXPI COMMUNICATION SYSTEM Y

NETWORKING  CXPI COMMUNICATION SYSTEM  HOW TO PROCEED WITH TROUBLESHOOTING  


CAUTION / NOTICE / HINT

HINT:
·

Use these procedures to troubleshoot the CXPI communication 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 to the next step.


Result:
Proceed to
NEXT



NEXT

3.CHECK POWER INTEGRATION SYSTEM*
3.CHECK POWER INTEGRATION SYSTEM*
a.

Use the GTS to check if the power integration system is functioning normally.


Result:
Result Proceed to
Power integration system DTCs are not output A
Power integration system DTCs are output B



A

4.CHECK FOR DTC*

B

GO TO POWER INTEGRATION SYSTEM

Click herePower Source / Network>POWER DISTRIBUTION>POWER INTEGRATION SYSTEM>HOW TO PROCEED WITH TROUBLESHOOTING


4.CHECK FOR DTC*
a.

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


b.

Clear the DTCs.

Body Electrical > Main Body > Clear DTCs
50002 449

c.

Recheck for DTCs.

Body Electrical > Main Body > Trouble Codes
50001 449

Result:
Result Proceed to
DTCs are not output A
DTCs are output B



A

5.OVERALL ANALYSIS AND TROUBLESHOOTING*

B

GO TO DIAGNOSTIC TROUBLE CODE CHART

Click herePower Source / Network>NETWORKING>CXPI COMMUNICATION SYSTEM>DIAGNOSTIC TROUBLE CODE CHART


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



NEXT

END