Diagnostic Procedure 26 (Cont'd) - VEHICLE SPEED SENSOR (Code No. 14)
EF & EC-303flowchartContinuity check terminal varies by model: terminal (b) for L.H.D. needle meter, (s) for R.H.D. needle meter, (q) for Digital meter model.
Vehicle Speed Sensor (Code No. 14) diagnostic flow
1
INSPECTION START
2
CHECK SPEEDOMETER FUNCTION. Make sure that speedometer functions properly.
N.G.
Check vehicle speed sensor and circuit. (Refer to EL section.)
O.K.
3
CHECK INPUT SIGNAL CIRCUIT. 1) Read vehicle speed sensor signal in "DATA MONITOR" mode with CONSULT. CONSULT value should be the same as the speedometer indication. -OR- 1) Turn ignition switch "OFF". 2) Disconnect E.C.U. harness connector and combination meter harness connector. 3) Check harness continuity between E.C.U. terminal 32 and terminal (b) (L.H.D. models with needle meter), (s) (R.H.D. models with needle meter), (q) (Digital meter model). Continuity should exist.
N.G.
Check the following. - Harness connectors (F33), (M37) - Harness continuity between E.C.U. and combination meter. If N.G., repair harness or connectors.
O.K.
4
Check E.C.U. pin terminals for damage or the connection of E.C.U. harness connector.
IMPORTANT
Perform FINAL CHECK by the following procedure after repair is completed.
Final Check
1
FINAL CHECK
2
Start engine.
3
Perform self-diagnosis (Mode II).
N.G.
Recheck E.C.U. pin terminals for damage or the connection of E.C.U. harness connector.
O.K.
INSPECTION END