Diagnostic Procedure 36 - Power Steering Oil Pressure Switch (Not self-diagnostic item)
EF & EC-336wiring diagramCircuit shown for both (L) L.H.D. model and (R) R.H.D. model. L.H.D. routes via E.F.I. harness connectors F6/E15; R.H.D. routes via engine-room harness connectors E5/E20/E50. Wire colour LG/B (Light Green with Black stripe) on E.C.U. terminal 43.
POWER STEERING OIL PRESSURE SWITCH (Not self-diagnostic item)
Power Steering Oil Pressure Switch Circuit
Components (13)
E.C.C.S. control unit (E.C.U.)E.C.C.S. control unit connectorHarness connector (L.H.D., E.F.I. harness)Harness connector (L.H.D., E.F.I. harness)Harness connector (R.H.D.)Harness connector (R.H.D.)Harness connector (R.H.D.)Harness connector / engine groundHarness connectorPower steering oil pressure switch (L.H.D. model)Power steering oil pressure switch (R.H.D. model)Engine groundBody ground
Connections (5)
E.C.C.S. control unit (E.C.U.)
E.C.C.S. control unit (E.C.U.):43Harness connector (L.H.D., E.F.I. harness)Light Green with Black stripe
E.C.C.S. control unit (E.C.U.):43Harness connector (R.H.D.)Light Green with Black stripe
Harness connector (L.H.D., E.F.I. harness)
Harness connector (L.H.D., E.F.I. harness)Harness connector (L.H.D., E.F.I. harness)Light Green with Black stripe
Harness connector (L.H.D., E.F.I. harness)
Harness connector (L.H.D., E.F.I. harness)Power steering oil pressure switch (L.H.D. model)Light Green with Black stripe
Harness connector (R.H.D.)
Harness connector (R.H.D.)Power steering oil pressure switch (R.H.D. model)Light Green with Black stripe