Component Inspection
■ Glow plug control and feedback waveform inspection
1.

IG key OFF.

2.

Place the probe of oscilloscope with 'control' and 'feedback' terminal of 'GCU' harness connector.

3.

IG key ON, and monitor the signal waveform

Reference signal waveform : Refert to "Signal Waveform & Data"

note
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4.

Is the signal waveform normal?

▶ Go to "Verification of Vehicle Repair" procedure.

▶ Replace GCU, and go to "Verification of Vehicle Repair" procedure

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