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3 CHECK POWER SUPPLY
1. Turn ignition switch OFF.
2. Disconnect vacuum cut valve bypass valve harness connector.
SEF186S
3. Turn ignition switch ON.
4. Check voltage between terminal 2 and ground with CONSULT-II or tester.
SEF192V
Voltage: Battery voltage
OK or NG
OK 䊳 GO TO 5.
NG 䊳 GO TO 4.
4 DETECT MALFUNCTIONING PART
Check the following.
쐌 Harness connectors E43, M65
쐌 Harness connectors M67, B101
쐌 Harness connectors B113, C3
쐌 10A fuse
쐌 Harness for open or short between vacuum cut valve bypass valve and 10A fuse
䊳 Repair harness or connectors.
DTC P1490 VACUUM CUT VALVE BYPASS VALVE (CIRCUIT)
KA24DE
Diagnostic Procedure (Cont’d)
EC-534
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