Diagnostic Procedure 19 — Surging (Cont'd)
EF & EC-118flowchartTROUBLE DIAGNOSES
Diagnostic Procedure 19 — Surging (Cont'd)
1
A (continued from previous page)
2
3. Check injectors. • Stop engine. • Remove distributor. (Do not remove crank angle sensor harness connector.) • Remove power transistor connector. • Turn ignition switch to "ON". • Check to ensure each injector emits hissing sound when crankshaft is hand-rotated. CAUTION: Display shows an erratic indication during self-diagnosis and does not show abnormalities.
N.G.
Check injectors and circuits. Refer to "Injector". (See page EF&EC-153)
O.K.
3
4. Check throttle sensor. With CONSULT: • Conduct self-diagnosis and "Real Time Diagnosis" with "DATA MONITOR" showing on display. (Refer to "CONSULT".) Without CONSULT: • Conduct self-diagnosis Mode II. (Refer to "Self-Diagnosis".)
N.G.
Check throttle sensor and circuit. Refer to "Throttle Sensor." (See page EF&EC-143)
O.K.
4
Check air flow meter. • Check for operation. Refer to "Air Flow Meter". (See page EF&EC-134).
N.G.
Repair or replace.
O.K.
5
B (continues to next page)