RDX AWD L4-2.3L Turbo (2010)
Ignition Relay: Testing and Inspection
Ignition Coil Relay Circuit Troubleshooting
1. Check the No. 18 (15 A) fuse in the under-hood fuse/relay box.
Is the fuse OK?
YES -
Go to step 2.
NO -
Replace the fuse. If the fuse continues to blow, locate and repair the short in the circuit between the under-hood fuse/relay box and the ignition coils.
2. Remove the ignition coil relay from the under-hood fuse/relay box, and test it See: Power and Ground Distribution/Testing and Inspection.
Is the relay OK?
YES -
Go to step 3.
NO -
Replace the ignition coil relay.
3. Measure the voltage between ignition coil relay 4P socket terminal No. 2 and body ground, then terminal No. 4 and body ground.
Is there battery voltage?
YES -
Go to step 4.
NO -
Replace the under-hood fuse/relay box.
4. Check for continuity between ignition coil relay 4P socket terminal No. 1 and No. 1 ignition coil 3P connector terminal No. 3.