Mahindra XUV700 2021 Diagnostic Manual page 109

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Diagnostic Manual
XUV700 (Diesel)
• GO TO STEP 7
STEP 7 — CHECK FOR CAN HIGH & LOW CIRCUIT SHORT TO BATTERY POSITIVE
PRE CONDITION
• Ignition ON
TEST PROCEDURE
• Measure the voltage between pin 14 of DLC connector (C 555) and battery ground
• Measure the voltage between pin 6 of DLC connector (C 555) and battery ground
CRITERIA
• Voltage = Battery voltage
• Suspect CAN wires/ ECUs internally short
circuit to battery supply
• Remove ECUs in CAN network one by one
and identify the ECU having internal short
to battery supply
• If the ECUs are OK, identify the harness
which is having internal short to battery
supply
• Identify and replace the faulty wiring
harness/ ECUs
• Check and confirm that ECUs are able to
communicate with i-SMART
• Clear the DTC and verify
The repair methods given by the manufacturer in this document are based on the technical specifications, current at the time of release. The methods may be modified as a result of changes introduced by
the manufacturer in the production of the various component units and accessories from which the vehicles are manufactured. The reproduction, translation, transmission, in part of or whole of the present
document, are prohibited without the prior written consent of Mahindra & Mahindra Ltd. The use of this document by any person other than the trained personnel, at the Authorized Service Centre of
Mahindra & Mahindra Ltd., will amount to unauthorized use and shall be liable for penalty/prosecution© 2021 Mahindra & Mahindra Ltd.
OK
ACTION TO BE TAKEN
OK
UICU
NOT OK
• Suspect CAN wires/ ECU's internally short
circuit with ground
• Remove ECUs in CAN network one by one
and identify the ECU having internal short
to battery ground
• If the ECUs are OK, identify the harness
which is having internal short to battery
• Identify and replace the faulty wiring
harness/ ECUs
• Check and confirm that ECUs are able to
communicate with i-SMART
• Clear the DTC and verify
NOT OK
• Clear and Verify the DTC
• Check for intermittent issue
MAN-01065
OCT - 2021/Rev 1
109

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