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9 CHECK HO2S1 (FRONT) SHIELD CIRCUIT FOR OPEN AND SHORT
1. Turn ignition switch OFF.
2. Disconnect joint connector.
For circuit, refer to “DTC P0130, P0150 FRONT HEATED OXYGEN SENSOR (FRONT) (BANK 1)/(BANK 2)
(CIRCUIT)”, EC-778.
3. Check the following.
쐌 Continuity between joint connector terminal 1 and ground
쐌 Joint connector
(Refer to EL-244, “HARNESS LAYOUT”.)
Continuity should exist.
4. Also check harness for short to power.
5. Then reconnect joint connector.
OK or NG
OK 䊳 GO TO 10.
NG 䊳 Repair open circuit or short to power in harness or connectors.
10 CHECK INTERMITTENT INCIDENT
Refer to “TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT”, EC-732.
For circuit, refer to “DTC P0130, P0150 FRONT HEATED OXYGEN SENSOR (FRONT) (BANK 1)/(BANK 2) (CIRCUIT)”,
EC-778.
䊳 INSPECTION END
DTC P0132, P0152 HEATED OXYGEN SENSOR 1 (FRONT)
(BANK 1)/(BANK 2) (RICH SHIFT MONITORING)
VG33E
Diagnostic Procedure (Cont’d)
EC-806
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