6 V6-3.0L DOHC (2003)
2. Inspect the following wiring harness for open or short (Continuity check).
Open circuit
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If there is no continuity, the circuit is open. Repair or replace the harness.
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EGR valve terminal E (harness-side) and PCM terminal 12
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EGR valve terminal A (harness-side) and PCM terminal 72
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EGR valve terminal B (harness-side) and PCM terminal 46
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EGR valve terminal F (harness-side) and PCM terminal 56
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EGR valve terminal C or D (harness-side) and main relay terminal C (harness-side)
Short circuit
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If there is continuity, the circuit is shorted. Repair or replace the harness.
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EGR valve terminal E (harness-side) and GND
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EGR valve terminal A (harness-side) and GND
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EGR valve terminal B (harness-side) and GND
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EGR valve terminal F (harness-side) and GND
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EGR valve terminal C or D (harness-side) and power supply
3. Remove the EGR valve, and inspect for any damage or clogging.
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If there is no damage or no clogging, replace the EGR valve.