Trouble Diagnoses — Diagnostic Procedure 4 — Hard to start when the Engine is Cold (Cont'd)
EF & EC-68flowchartDiagnostic Procedure 4 — Hard to start when the Engine is Cold (Cont'd)
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A (continued from previous page)
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Check START signal. Initiate "STARTER SIGNAL" with "FUNCTION TEST" showing on display or proceed as follows: Check starter signal with "DATA MONITOR" showing on display. Starter signal: OFF (ignition switch turned to "ON"); ON (ignition switch turned to "START"). (Without CONSULT: Turn ignition switch to "START". Measure voltage between E.C.U. harness connector terminal 34 and GND. Power voltage: Ignition switch turned to "START". Approx. 0 volts: Ignition switch turned to any other position.)
N.G.
Check starter signal circuit. Refer to "Ignition Signal". (See page EF&EC-140).
O.K.
3
Check A.A.C. valve. Check to ensure engine starts when accelerator pedal is depressed to the floor.
N.G.
Check A.A.C. valve and circuit. Refer to "A.A.C. Valve". (See page EF&EC-158)
O.K.
4
Check engine temperature sensor. Conduct self-diagnosis and "Real-Time Diagnosis" with "DATA MONITOR" showing on display. (Refer to "CONSULT".) (Without CONSULT: Conduct self-diagnosis mode 2. Refer to "Self-Diagnosis".)
N.G.
Check engine temperature sensor and circuit. Refer to "Engine Temperature Sensor" (See page EF&EC-137).
O.K.
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B (continues to next page)