Good Electrical/Electronic Troubleshooting Process - Mahindra XYLO mEagle 2010 Wiring Manual

Good electrical/electronic troubleshooting process

When troubleshooting 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 specific 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 troubleshooting charts/diagnosis charts
STEP 4 – Repair the problem
• Make necessary repairs as authorized
STEP 5 – Re-check the circuit
• Repeat the system check to ensure that the problem is eliminated
• Check related circuits
• Ensure that the customer symptom is eliminated
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