Trouble Diagnoses - Diagnostic Procedure 31 (Cont'd)
EF & EC-592flowchartDiagnostic Procedure 31 (Cont'd)
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A (from previous page)
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D - CHECK INPUT SIGNAL CIRCUIT. 1) Disconnect E.C.U. harness connector. 2) Check harness continuity between E.C.U. terminal 19 and terminal 1. Continuity should exist.
N.G.
Check the following. - Harness connectors F7, E222 - Harness connectors E201, E56 - Harness continuity between E.C.U. and exhaust gas sensor. If N.G., repair harness or connectors.
Check the following. - Harness connectors F7, E222 - Harness connectors E201, E56 - Harness continuity between E.C.U. and exhaust gas sensor. If N.G., repair harness or connectors.
O.K.
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Check E.C.U. pin terminals for damage or the connection of E.C.U. harness connector.
O.K.
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Replace exhaust gas sensor.