4-22
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PGM-FI SYSTEM
5. MAP Sensor Inspection
Replace the sensor unit with a known good one
(page 7-15).
Turn the ignition switch OFF.
Connect the sensor unit 5P (Black) connector.
Erase the DTCs (page 4-13).
Turn the ignition switch ON.
Check the MAP sensor with the HDS pocket tester.
Is DTC 1-1 indicated?
YES – Replace the ECM/PCM with a known good
one, and recheck.
NO – Faulty original sensor unit (MAP sensor)
DTC 1-2 (MAP SENSOR HIGH
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 1
Turn the ignition switch ON and engine stop switch
"".
Check the MAP sensor with the HDS pocket tester.
Is about 5 V indicated?
YES – GO TO STEP 2.
NO – • Intermittent failure
• Loose or poor contact on the sensor
unit 5P (Black) connector
2. Sensor Unit Power Line Inspection
Check the sensor unit power line inspection (page
4-17).
Is the sensor unit power line normal?
YES – GO TO STEP 3.
NO – Replace or repair the abnormal circuit.
3. MAP Sensor System Inspection 2
Turn the ignition switch OFF.
Disconnect the sensor unit 5P (Black) connector [1].
Connect the sensor unit 5P (Black) connector
terminals at the wire harness side with a jumper wire
[2].
Turn the ignition switch ON.
Check the MAP sensor with the HDS pocket tester.
Is about 0 V indicated?
YES – Faulty sensor unit (MAP sensor)
NO – GO TO STEP 4.
Connection: Violet/red – Green/yellow
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