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4 CHECK POWER SUPPLY
1. Turn ignition switch ON.
2. Check voltage between terminal 3 and engine ground with CONSULT-II or tester.
SEF410Q
Voltage: Approximately 5V
OK or NG
OK 䊳 GO TO 6.
NG 䊳 GO TO 5.
5 DETECT MALFUNCTIONING PART
Check the following.
쐌 Harness connectors C3, B113
쐌 Harness connectors B101, M67
쐌 Harness connectors M59, F27
쐌 Harness connectors M81, F36
쐌 Harness for open or short between EVAP control system pressure sensor and ECM
䊳 Repair harness or connectors.
6 CHECK GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Check harness continuity between EVAP control system pressure sensor terminal 1 and engine ground.
SEF411Q
Continuity should exist.
3. Also check harness for short to power.
OK or NG
OK 䊳 GO TO 8.
NG 䊳 GO TO 7.
DTC P0450 EVAPORATIVE EMISSION (EVAP) CONTROL
SYSTEM PRESSURE SENSOR
KA24DE
Diagnostic Procedure (Cont’d)
EC-390
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