Diagnostic Procedure 15 (Cont'd) - A.I.V. Control Solenoid Valve
EF & EC-120flowchartApplies to GA13DS, GA14DS & GA16DS engines with catalyzer and E.G.R.
E.C.C. TROUBLE DIAGNOSES (Models with catalyzer and E.G.R.)
Diagnostic Procedure 15 (Cont'd)
NOTE
Applicable to models GA13DS, GA14DS & GA16DS.
Diagnostic Procedure 15 - A.I.V. Control Solenoid Valve (continued from A)
1
A (continued from previous page)
2
CHECK POWER SUPPLY. 1) Stop engine. 2) Disconnect A.I.V. control solenoid valve harness connector. 3) Turn ignition switch ON. 4) Check voltage between terminal q and ground. Voltage: Battery voltage
N.G.
Check the following. - Harness connectors F33, M37 - 10A fuse - Harness continuity between A.I.V. control solenoid valve and fuse. If N.G., repair harness, fuse or connectors.
Check the following. - Harness connectors F33, M37 - 10A fuse - Harness continuity between A.I.V. control solenoid valve and fuse. If N.G., repair harness, fuse or connectors.
O.K.
3
CHECK OUTPUT SIGNAL CIRCUIT. 1) Turn ignition switch OFF. 2) Disconnect E.C.U. harness connector. 3) Check harness continuity between E.C.U. terminal 115 and terminal p. Continuity should exist.
N.G.
Repair harness or connectors.
O.K.
4
CHECK COMPONENT (A.I.V. control solenoid valve). Refer to Electrical Components Inspection. (See page EF & EC-145.)
N.G.
Replace A.I.V. control solenoid valve.
O.K.
5
Check E.C.U. pin terminals for damage or the connection of E.C.U. harness connector.