DTC P154A

DTC P154A  : Battery Sensor Internal Failure

DTC (PGM-FI)

1. Problem verification

   -1. Turn the vehicle to the ON mode.

   -2. Clear the DTC with the HDS, and wait for 5 seconds.

   -3. Check for Pending or Confirmed DTCs with the HDS.

   DTC Description	Confirmed DTC	Pending DTC
   P154A Battery Sensor Internal Failure

   Is DTC P154A indicated?

   YES 

   The failure is duplicated. Go to step 2.

   NO 

   Intermittent failure, the system is OK at this time. Check for poor connections or loose terminals at the battery sensor and the PCM. If the on-board snapshot of this DTC is recorded, try to reproduce the failure under the same conditions with the on-board snapshot .

2. Determine possible failure area (battery sensor, others)

   -1. Turn the vehicle to the OFF (LOCK) mode.

   -2. Disconnect the following connector.

   Battery sensor 3P connector

   -3. Measure the voltage between test points 1 and 2.

   Test condition	Vehicle OFF (LOCK) mode
   	Battery sensor 3P connector: disconnected
   Test point 1	Battery sensor 3P connector (female terminals) No. 1:
   Test point 2	Body ground

   Courtesy of HONDA, U.S.A., INC.

   Is there battery voltage?

   YES 

   Replace the battery sensor .

   NO 

   Go to step 3.

3. Fuse check

   -1. Turn the vehicle to the OFF (LOCK) mode.

   -2. Check the following fuse.

   Fuse

   No. C14

   Is the fuse OK?

   YES 

   Repair an open in the +B INTR LT wire between the battery sensor and the No. C14 fuse.

   NO 

   Repair a short in the +B INTR LT wire between the battery sensor and the No. C14 fuse. Also replace the No. C14 fuse.