LEMON Manuals: Even more car manuals for everyone
Home >> Jeep >> 2002 >> Wrangler X, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Self-Diagnostics >> Diagnostic Tests >> DTC P0351: Ignition Coil #1 Primary Circuit (4.0L), DTC P0352: Ignition Coil #2 Primary Circuit (4.0L) Or DTC P0353: Ignition Coil #3 Primary Circuit (4.0L) >> Monitored & Set Conditions

Monitored & Set Conditions

Ignition coil primary circuit is monitored when battery voltage is greater than 8 volts during engine cranking or greater than 12 volts with engine running, engine RPM less than 2016, and none of the coils in dwell when checked. DTC will set when peak current is not achieved with battery based dwell plus 1.5 milliseconds of diagnostic offset. It takes less than 3 seconds during cranking or up to 6 seconds while running to set.