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]
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