Accord DX Sedan L4-2254cc 2.3L SOHC MFI (2001)
13. Turn the ignition switch ON (II), and measure voltage between body ground and ECM/PCM connector terminals B1 and B9 individually.
Is there battery voltage?
YES - Go to step 14.
NO - Check for these problems:
-
An open in the wire(s) between the PGM-FI main relay and ECM/PCM connector terminals B1 and B9.
-
Poor connections at the PGM-FI main relay.
-
A faulty PGM-FI main relay. If necessary, repair or replace the relay.
14. Reconnect the connectors to the sensors, then reconnect ECM/PCM connector C 131P).
15. Turn the ignition switch ON (II), and measure voltage between body ground and ECM/PCM connector terminals B2, B10, B20, and B22
individually.
Is there less than 1.0 V ?
YES - Substitute a known-good ECM/PCM and recheck. If the symptom/indication goes away, replace the original ECM/PCM.
NO - Repair the open in the wire(s) that had more than 1.0 V between G101 and the ECM/PCM (B2, B10, B20, B22).
16. Turn the ignition switch OFF, then turn it back ON (II), and measure voltage between ECM/PCM connector terminal A10 and body ground.
Is there about 5V ?
