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EC-210 < DTC/CIRCUIT DIAGNOSIS > [MR18DE] P014C, P014D, P015A, P015B A/F SENSOR 1 P014C, P014D, P015A, P015B A/F SENSOR 1 Description INFOID:0000000009947331 The air fuel ratio (A/F) sensor 1 is a planar one-cell limit current sen- Therefore, the A/F sensor 1 is able to indicate air fuel ratio by this ° C (1,472 ° F). DTC Logic INFOID:0000000009947332 DTC DETECTION LOGIC To judge malfunctions, this diagnosis measures response time of the A/F signal computed by ECM from the A/ DTC CONFIRMATION PROCEDURE 1. PRECONDITIONING If DTC Confirmation Procedure has been previously conducted, always perform the following procedure Turn ignition switch OFF and wait at least 10 seconds. 2. Turn ignition switch ON. 3. Turn ignition switch OFF and wait at least 10 seconds. TESTING CONDITION: Do you have CONSULT? YES >> GO TO 2. NO >> GO TO 6. 2. PERFORM DTC CONFIRMATION PROCEDURE-1 JMBIA0112GB PBIB3354E DTC No. Trouble diagnosis name DTC detecting condition Possible Cause P014C Air fuel ratio (A/F) sensor 1 • The response time of a A/F sensor 1 signal de- lays more than the specified time computed by • Harness or connectors (The A/F sensor 1 circuit is open or • A/F sensor 1 P014D P015A Air fuel ratio (A/F) sensor 1 P015B |