Accord LX Coupe L4-2254cc 2.3L SOHC (VTEC) MFI (1998)
-
MAP Sensor
-
EGR valve lift sensor
-
Fuel tank pressure sensor
-
TP sensor
Is there continuity?
YES-Repair the short to body ground in the wire between ECM/PCM (C19) and the MAP sensor, or ECM/PCM (C28) and the TP sensor, EGR
valve lift sensor or fuel tank pressure sensor.
NO-Replace the sensor that made continuity to body ground go away when disconnected.
8. Disconnect the fuel injectors and IAC valve connectors.
9. 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 10.
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 part.
10. Reconnect the connectors to the sensors, then reconnect ECM/PCM connector C (31P).