THE DIAGNOSTIC FILES

CASE 01

A slow start.

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A graphite sedan with its bonnet open in the workshopBAY 01

WORK ORDER 001 · BAY 01 · FOUNDATIONS

Foundation

2004 / 2.4 petrol

Sedan · Manual · 218,400 km · 12 V

“It turns over really slowly and won’t catch. It used to start fine. My neighbour reckons it needs a battery.”

Find the cause of the slow cranking. Make a repair you can justify, then prove it worked.

1 Investigate2 Repair3 Verify

Fictional training case. Readings and limits belong to this scenario.

FAULT FOUND

MULTIMETER

Place your probes.

Choose a connection for each probe, or drag the handles on the circuit.