Ignition Coil Pack(S); Testing - Ford Ranger Maintaince And Repair Manual

Ignition Coil Pack(s)

TESTING

Primary and Secondary Circuit Tests
1. Turn the ignition switch OFF, disconnect the battery, then detach the wiring harness connector from
the ignition coil to be tested.
2. Check for dirt, corrosion or damage on the terminals.
PRIMARY RESISTANCE
1. Use an ohmmeter to measure the resistance between the following terminals on the ignition coil, and
note the resistance:
Except 2.3L, 2.5L and 5.0L engines
• B+ to Coil 1
• B+ to Coil 2
• B+ to Coil 3
2.3L, 2.5L and 5.0L engines
B+ to Coil 1
•
• B+ to Coil 2
or,
Ignition Coil Pack(s)
HOW TO USE THIS BOOK
Test D−engine running with code 18, SAW failure, part 2
Click to enlarge
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