4. MAP Sensor Output Line Short Circuit lnspec•
tion
Turn the ignition switch OFF.
Check for continuity between the MAP sensor 3P
(Black) connector terminal of the wire harness
side and ground.
CONNECTION: light green/yellow
Is there continuity?
YES
- Short circuit in Light green/yellow wire
NO
- Faulty MAP sensor
5. MAP Sensor Input Line Inspection
Turn the ignition switch OFF.
Disconnect the ECM JJP (Black) connector.
Check the continuity at the Yellow/red wire
between the MAP sensor JP (Black) connector
terminal and test harness terminal.
CONNECTION: A9 - Yellow/red
TOOL:
Test probe
Is there continuity?
YES
- Replace the ECM with a known good
one, and recheck; refer to Key Registra
tion Procedures (page 21-6)
NO
- Open circuit in Yellow/red wire
MIL 2 BLINKS (MAP SENSOR HOSE
CONNECTION)
•
Before starting the inspection. check for loose or
poor contact on the MAP sensor JP (Black) con
nector and ECM J3P connectors, then recheck
the MIL blinking.
1. MAP Sensor Hose Inspection
Turn the ignition switch OFF.
Check the connection and installation of the
MAP sensor vacuum hoses.
Is the MAP sensor hose connection correct?
YES
- GO TO STEP 2.
- Correct the hose connection or installa-
NO
tion
-
Ground
07ZAJ-RDJA 110
JJP (Black) CONNECTOR
(Wire side/female terminals)
VACUUM HOSES
FUEL SYSTEM (PGM-FI)
Light green/
yellow
3P (Black) CONNECTOR
(Wire side/female terminals)
JP CONNECTOR
(Wire side/female terminals)
Yellow/
red
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