Honda PCX150 2013 Service Manual page 133

5. MAP Sensor Inspection
Replace the sensor unit with a known good one
(page 7-16).
Erase the DTC's (page 4-12).
Turn the ignition switch OFF.
Connect the sensor unit 5P (Black) connector.
Turn the ignition switch.
Check the MAP sensor with the MCS.
Is DTC 1-1 indicated?
YES - Replace the ECM with a known good one
and recheck.
NO
- Faulty original sensor unit (MAP sensor)
DTC 1 (MAP SENSOR HIGH
VOLTAGE)
1. MAP Sensor System Inspection 1
Turn the ignition switch ON.
Check the MAP sensor with the MCS.
Is about 5 Vindicated?
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
4-33).
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
(page 7-15).
Connect the sensor unit 5P (Black) connector [1]
terminals at the wire harness side with a jumper wire
[2].
Connection: Yellow/red - Green/orange
Turn the ignition switch ON.
Check the MAP sensor with the MCS.
Is about O Vindicated?
YES - Faulty sensor unit (MAP sensor)
NO
- GO TO STEP 4.
SYSTEM
[2]
I
Green/orange Yellow/red
[1]