92 Ls400 Testing Ignitor#1/no Spark At Coil#1 in 90 - 00 Lexus LS400 Posted June 3, 2009 1992 LS400 no spark at coil#1, +B voltage good at coil connector(primary) with ignition on *coil ohms good(primary and secondary) *cam sensor ohms good *coil primary wires good continuity to IGNITOR #1 ALLDATA states there is no test for these, parts stores don't seem to be able to test these either Note: with engine running if coil#1 primary plug is disconnected engine shuts off
92 Ls400 Testing Ignitor#1/no Spark At Coil#1
in 90 - 00 Lexus LS400
Posted
1992 LS400 no spark at coil#1, +B voltage good at coil connector(primary) with ignition on
*coil ohms good(primary and secondary)
*cam sensor ohms good
*coil primary wires good continuity to IGNITOR #1
ALLDATA states there is no test for these, parts stores don't seem to be able to test these either
Note: with engine running if coil#1 primary plug is disconnected engine shuts off