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TSB Revision DIAGNOSTIC TROUBLE CODE PROCEDURES 13Ac-177 . CIRCUIT OPERATION • A voltage corresponding to the oxygen concen- tration in the exhaust gas is sent to the PCM (ter- • Terminal No. 2 of the right bank heated oxygen sensor (rear) is grounded with PCM (terminal No. . TECHNICAL DESCRIPTION • The output signal of the right bank heated oxygen sensor (front) is compensated by the output sig- • The PCM checks for an open circuit in the right bank heated oxygen sensor (rear) output line. . DTC SET CONDITIONS Check Conditions • Engine coolant temperature is higher than 76°C (169 °F). • The right bank heated oxygen sensor (front) is active. • The cumulative volume airflow sensor output fre- quency for every 2 seconds is higher than 4,000 • Repeat 3 or more times: drive *1 , stop *2 . Drive *1 : • Engine speed is higher than 1,500 r/min. • Volumetric efficiency is higher than 40 per- cent. • Vehicle speed is higher than 30 km/h (18.7 mph). • A total of more than 10 seconds have elapsed with the above mentioned condi- AK201275 CONNECTOR: C-14 C-14(GR) AB RIGHT BANK AK201049 D-14 AB CONNECTOR: D-14 AK201049 CONNECTOR: D-116 D-116 AC AK201038AF CONNECTOR: D-135 PCM D-135(GR) AK201052 E-112 AB CONNECTOR: E-112 |