Dtc 51-2 (Tr Sensor High Voltage) - Honda CTX700N/ND Service Manual

DUAL CLUTCH TRANSMISSION ( DCT ) ( CTX 700 D / ND )
5
.
TR Sensor Inspection
Replace the TR sensor with a known good one
( page 12
-
76 ) .
Connect the
TR sensor 3 P ( Black )
connector
and
PCM 33 P ( Black ) connector
.
Turn the ignition switch ON
.
Check the TR sensor with the MCS
.
Is the voltage about 0 V ?
YES
-
Replace the PCM with a known good one ,
and recheck .
NO
-
Faulty original TR sensor
DTC 51 - 2 ( TR SENSOR HIGH
VOLTAGE )
NOTE :
If the PCM is replaced
,
perform the Clutch Initialize
Learning Procedure ( page 12
-
81 )
.
1
.
TR Sensor System Inspection
Check the TR sensor with the MCS .
Is about 5 V indicated ?
YES
-
GO TO STEP 2
.
NO
-
Intermittent failure
2
.
TR Sensor Ground
Line Open Circuit Inspection
Turn the ignition switch OFF .
Disconnect the TR sensor 3 P ( Black ) connector
( page 12
-
76 ) .
Turn the ignition switch
ON
and engine stop switch
"
O
"
.
Measure the voltage between the wire harness side
TR sensor 3 P ( Black ) connector [ 1 ] terminals .
Connection : Yellow / red ( + ) - Green / yellow ( - )
Is the voltage within 4.75
-
5.25 V ?
YES
-
GO TO STEP 3 .
NO
-
Open circuit in the Green/ yellow wire
1
G/ Y
Y / R
¥
3
.
TR Sensor Inspection
Replace the TR sensor with a known good one
( page 12
- 76 )
.
Connect the TR sensor 3 P ( Black ) connector
.
Turn the ignition switch
ON
.
Check the TR sensor with the MCS
.
Is about 5 V indicated ?
YES
-
Replace the PCM with a known good one
,
and recheck
.
NO
-
Faulty original TR sensor