Dtc Troubleshooting - Honda NC700XA Service Manual

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DTC TROUBLESHOOTING

DTC 1-1 (MAP SENSOR LOW
VOLTAGE)
• If the ECM/PCM is replaced, perform the following:
– Key Registration Procedure (page 23-6)
– Clutch Initialize Learning Procedure (NC700XD/
SD) (page 12-120)
1. MAP Sensor System Inspection
Turn the ignition switch ON and engine stop switch
" ".
Check the MAP sensor with the HDS pocket tester.
Is about 0 V indicated?
YES
NO
2. Sensor Unit Power Line Inspection
Check the sensor unit power line inspection (page
4-17).
Is the sensor unit power line normal?
YES
NO
3. MAP Sensor Output Voltage Inspection
Turn the ignition switch OFF.
Disconnect the sensor unit 5P (Black) connector [1].
Turn the ignition switch ON.
Measure the voltage at the sensor unit 5P (Black)
connector of the wire harness side.
Connection: Violet/red (+) – Green/yellow (–)
Standard:
Is the voltage within 4.75 – 5.25 V?
YES
NO
4. MAP
Inspection
Turn the ignition switch OFF.
Check for continuity between the sensor unit 5P
(Black) connector [1] of the wire harness side and
ground.
Connection: Violet/red – ground
Is there continuity?
YES
NO
– GO TO STEP 2.
– Intermittent failure
– GO TO STEP 3.
– Replace or repair the abnormal circuit.
4.75 – 5.25 V
– GO TO STEP 5.
– GO TO STEP 4.
Sensor Output Line
– Short circuit in the Violet/red wire
– GO TO STEP 5.
[1]
Short Circuit
[1]
PGM-FI SYSTEM
G/Y V/R
V/R
4-21