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DTC P0132-O2 Sensor 1/1 Circuit High: Notes

Fig 1: O2 Sensor 1/1 Circuit - Circuit Diagram
G04853878Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

For a complete wiring diagram, refer to appropriate SYSTEM WIRING DIAGRAMS article.

Possible Causes
(K41) O2 1/1 SIGNAL CIRCUIT SHORTED TO BATTERY VOLTAGE 
(K902) O2 RETURN UPSTREAM CIRCUIT 
SHORTED TO BATTERY VOLTAGE 
(K41) O2 1/1 SIGNAL CIRCUIT OPEN 
(K902) O2 RETURN UPSTREAM CIRCUIT OPEN 
O2 SENSOR 
PCM 

Always perform the PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE before proceeding.