Dtc 54-1 (Bank Angle Sensor Low Voltage) - Honda CTX700N/ND Service Manual

PGM - FI SYSTEM
DTC 54
-
1 ( BANK ANGLE SENSOR LOW VOLTAGE )
NOTE
:
If the PCM is replaced ,
perform the Clutch Initialize Learning Procedure ( page 12
-
81 ) ( CTX 700 D / ND ) .
1
.
Recheck DTC
Erase the DTCs ( page 4
-
9 )
.
Turn the ignition switch ON and engine stop switch "
Q
"
.
Check the bank angle sensor with the MCS .
Is about 0 V indicated ?
2
.
3
.
4 .
YES
-
GO TO STEP 2 .
NO
-
Intermittent failure
Bank Angle Sensor Power Input Line Short Circuit Inspection
Turn the ignition switch OFF .
Disconnect the
bank angle sensor 2 P ( Black )
connector ( page 4
-
33 )
.
Check for continuity between the bank angle sensor
2 P ( Black ) connector [ 1 ] of the wire harness side
and ground
.
Connection : Black - Ground
Is there continuity ?
YES
-
GO TO STEP 3
.
NO
-
Short circuit in the Black wire
1
B
Q
Bank Angle Sensor Output Line Short Circuit Inspection
Disconnect the following :
- ECM 33 P ( Black ) connector ( page 4
-
34 )
( CTX 700 / A / N / NA )
- PCM 33 P ( Gray ) connector ( page 4
-
34 )
( CTX 700 D / ND )
Check for continuity between the bank angle sensor
2 P (
Black ) connector [ 1
] of the wire harness side
and ground
.
Connection : Black / blue - Ground
Is there continuity ?
YES
-
Short
circuit in the Black / blue wire
NO
-
GO TO STEP 4 .
Bank Angle Sensor Inspection
Replace the bank angle sensor with a known good one ( page
4
-
33 )
.
Connect the following :
-
Bank angle sensor 2 P ( Black ) connector
-
ECM /PCM 33 P connector
Erase the DTCs ( page 4
-
9 )
.
Turn the ignition switch ON
.
Check the bank angle sensor with the MCS
.
Is DTC 54
-
1
indicated ?
YES
-
Replace the ECM/PCM with a known good one , and recheck
.
NO
-
Faulty original bank angle sensor
r
[ 1 ]
Bl / Bu
4
-
27