Subaru Crosstrek Service Manual: Dtc b2277 submerging circuit
KEYLESS ACCESS WITH PUSH BUTTON START SYSTEM (DIAGNOSTICS) > Diagnostic Procedure with Diagnostic Trouble Code (DTC)
DTC B2277 SUBMERGING CIRCUIT
DTC detecting condition:
When the water-submersion detection circuit integrated into the keyless access CM detects the water submersion.
Trouble symptom:
• The ignition can be turned ON, but cannot be turned OFF.
• Engine will not start.
CAUTION:
For replacement procedure of keyless access CM, refer to the “REGISTRATION MANUAL FOR IMMOBILIZER” provided as a separate volume.
| STEP | CHECK | YES | NO |
1.CHECK LAN SYSTEM.
Inspect LAN system. Basic Diagnostic Procedure > PROCEDURE">
Is LAN system normal?
Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC B2277 SUBMERGING CIRCUIT">Go to Step 2.
Perform the inspection according to the diagnosis for LAN system.
2.CHECK SUBMERSION CONDITION.
Check the keyless access CM and environment of equipment, and check the harness for any trace of water submersion.
Is there any trace of water submersion?
Take necessary measures against water submersion and replace the keyless access CM. Keyless Access CM">
Replace the keyless access CM. Keyless Access CM">
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Other materials:
Catalytic converter
The catalytic converter is installed in the
exhaust system. It serves as a catalyst to
reduce HC, CO and NOx in exhaust
gases, thus providing cleaner exhaust.
To avoid damage to the catalytic converter:
Use only unleaded fuel. Even a small
amount of leaded fuel will damage the
cata ...
Driving tips
Do not drive with your foot resting on the
clutch pedal and do not use the clutch to
hold your vehicle at a standstill on an
upgrade. Either of those actions may
cause clutch damage.
Do not drive with your hand resting on the
shift lever. This may cause wear on the
transmission components.
...
Type D
Temperature control dial (Refer to "Automatic
climate control operation (type B, C
and D)" F4-7 and/or "Temperature control
Defroster button (Refer to "Airflow mode
selection"
Rear window defogger button (Refer to
"Defogger and deicer"
DUAL mode button (Refer to ""DUAL"
mode ( ...
