RSX L4-2.0L (VTEC) (2002)
13. Check for continuity between body ground and ECM/PCM connector terminal B13.
Is there continuity?
YES - Test the alternator.
NO - Repair open in the wire between the ECM/PCM (B13) and the alternator.
14. Turn the ignition switch OFF.
15. Disconnect the negative cable from the battery.
16. Disconnect ECM/PCM connector B (24P).
17. Check for continuity between body ground and ECM/PCM connector terminal B13.
Is there continuity?
YES - Repair short in the wire between the ECM/PCM (B13) and the alternator.
NO - Update the ECM/PCM if it does not have the latest software, or substitute a known-good ECM/PCM, then recheck. If the
symptom/indication goes away with a known-good ECM/PCM, replace the original ECM/PCM.