Diagnostic Procedure 37 (Cont'd)
EF & EC-515flowchartCONSULT data-monitor or voltage-measurement alternatives given. R.H.D. model harness connectors noted. Header tagged SR20DE engine.
TROUBLE DIAGNOSES
Diagnostic Procedure 37 (Cont'd)
1
INSPECTION START
2
CHECK CONTROL FUNCTION. 1) Start engine and warm it up sufficiently. 2) Check power steering oil pressure switch signal in "DATA MONITOR" mode with CONSULT. Steering is neutral: OFF. Steering is turned: ON. — OR — 2) Check voltage between E.C.U. terminal (43) and ground. Voltage: When steering wheel is turned quickly. Approximately 0V. Except above. Approximately 8 - 10V.
O.K.
INSPECTION END
N.G.
3
CHECK GROUND CIRCUIT. 1) Stop engine. 2) Disconnect power steering oil pressure switch harness connector. 3) Check harness continuity between terminal (2) and body ground. Continuity should exist.
N.G.
Repair harness or connectors.
O.K.
4
CHECK INPUT SIGNAL CIRCUIT. 1) Disconnect E.C.U. harness connector. 2) Check harness continuity between E.C.U. terminal (43) and terminal (1). Continuity should exist.
N.G.
Check the following. - Harness connectors (F10), (E15) (R.H.D. models) - Harness continuity between E.C.U. and power steering oil pressure switch If N.G., repair harness or connectors.
Check the following. - Harness connectors (F10), (E15) (R.H.D. models) - Harness continuity between E.C.U. and power steering oil pressure switch If N.G., repair harness or connectors.
O.K.
5
A