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
© 2013 Mahindra & Mahindra Ltd.
MAN-00233
MAY 2013/Rev 1
WIRING MANUAL
25042013
GOOD ELECTRICAL
/ E
LECTRONIC TROUBLESHOOTING PROCESS
When troubles hooting any problem related to electrical/electronic system, follow the 5-step Process:-
STEP 1 - Verify the customer complaint
Turn on all the component/functions in the problem circuit to check accuracy of the Customer complaint.
Replicate the customer complaint
Note down the symptoms
Do not begin disassembly or testing unless you have narrowed down the probable causes.
STEP 2 - Read and analyze the wiring diagrams
Locate the speci
fi
c circuit diagram of the problem circuit
Understand how the circuit is supposed to work by tracing the circuit from power
source through components
on to ground.
Check other circuits which share components/fuse/ground/switch with this circuit.
Isolate the circuit/component with problem.
STEP 3 -
Inspect circuit/component with problem isolated
Make a circuit test to check the diagnosis
Narrow down the probable causes using troubles hooting charts/diagnosis charts
STEP 4 - Repair the problem
Make necessary repairs as authorized
STEP 5 - Re-check the circuit
Repeat the system check to e
nsu
re that the problem is eliminated
Check rela
ted circuits
Ensure that the customer symptom is elimin
at
ed
7
