Honda Civic Service Manual page 926

Electrical Troubleshooting ('96 - 9g Models)
Troubleshooting Flowchart - lgnition Coil
NOTE: Record all freeze data before you troubleshoot,
Po3rible Cause
. Dbconnected ignition coil con-
nectol
. Short o. op6n ignition coil wire
' F.ulty ignition coil
Wire side ot female terminals
. OBD ll Scan Tool indicates Code
POl25.
. Soll-diagnosis E indicarol light
indicates Code 11.
Measure NE Voltrge:
1. Disconnect the A {26p) con
nector from the TCM.
2. Start the engine.
3. Measure the voltage between
the A5 and 413 or A26 termi-
nals,
R6p.i. open or short in the wire
b€lween the A5 te.minsl and tho
ignhion coil. It wir€ b OK, check
the ignition coil test lsoc aoction
23t.
ls there battery voltage?
Check for loose TCM connector.
It nec$sery. substilute a known-
good TCM and .echeck.