ENGINE CONTROL (3VZ E)
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- Brice Richards
- 6 years ago
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1 ENGINE CONTRO (3VZ E) I5 IGNITION S R C R M M 7. 5 IGN 5 EFI 5 STOP ST IG C C 5 Y G G G R STRTER REY [R/ NO. ] T 3 FUSE OX [R/ NO. ] Y G 5 EFI MIN REY 0 G C G 5 C S8 STOP IGHT S R (/T) 3 3 I TO /C IDE UP VSV I TT STP ENGINE CONTRO MODUE (ENGINE ND EECTRONIC CONTROED TRNSMISSION ECU (/T), ENGINE ECU ) + + VC VS TH ST STJ 3 3 C C E7, E8, E C P N Y I5 (/T) P (/T) PRK/NEUTR POSITION S (NEUTR STRT S) 3 I C 5 R Y C 7 I (/T) (/T) 3 3 G Y C I C CIRCUIT OPENING REY C I5 I5 G G E Y R Y 7 VC VS TH Y (/T) G TO COD STRT INJECTOR, STRT INJECTOR TIME S G E 5 Y (/T) M F FUE PUMP G Y FC V8 VOUME IR FO (IR FO METER) E 7 I I I5 I5 Y(/T) TO COD STRT INJECTOR, STRT INJECTOR TIME S Y (/T) E 5
2 R E8 R R R INJECTOR R R R E8 E8 E8 E8 R R R R E8 R R 0 GUGE INTEGRTION REY I8 NO. I0 NO. 3 I NO. 5 I NO. I NO. I3 NO. D E7 E7 E7 E7 G C0, C3 MFUNCTION INDICTOR MP (CHECK ENGINE RNING IGHT) [COM. METER] C #0 5 C #0 E7, E8,E C ENGINE CONTRO MODUE (ENGINE ND EECTRONIC CONTROED TRNSMISSION ECU (/T), ENGINE ECU) V V 3 C 5 E E THG TH ID VT 5 3 SPD S FPU EGR 3 C 8 C C G G G G I5 E EGR GS TEMP. SENSOR (CIFORNI) E SHORT PIN (EX. CIFORNI) E ENGINE COONT TEMP. SENSOR (EFI TER TEMP. SENSOR) Y Y 0 C G R G P G I5 E 3 ID VT VCC T THROTTE POSITION SENSOR G V3 VSV (S) C, C3 COMINTION METER V5 VSV (FPU) I5 V VSV (EGR) C I5 E8 I5 E 57
3 ENGINE CONTRO (3VZ E) R K KNOCK SENSOR E (SHIEDED) I5 I IGNITION COI R R E R 3 5 I5 TO TCHOMETER [COM. METER] D3 DISTRIUTOR NE G IG G I IGNITER (SHIEDED) 3 (SHIEDED) I5 Y R G 5 C C C 5 C 3 C C KNK E7, E8, E C NE ENGINE CONTRO MODUE (ENGINE ND EECTRONIC CONTROED TRNSMISSION ECU (/T), ENGINE ECU ) G T VF T OX HT OX+ SE SE E E0 E C C 3 C C IG G IGF IGT (SHIEDED) E P G R G (CIFORNI D) GR (D /T) (D M/T) G (EX. C ND C) I5 E V V G 7 8 TE VF TE IG OX D DT INK CONNECTOR (CHECK CONNECTOR) + FP E 8 3 I5 I5 H3, H3 HETED OXYGEN SENSOR (EX. CIFORNI D)3 (CIFORNI D)3 (EX. CIFORNI D) (CIFORNI D) OX HT OX+ + E (EX. CIFORNI D) 3 C I S SHORT PIN G (C NDC) C I E I E E E Y G E 58
4 C DRK GRY C0 UE C 3 X X X X C3 D DRK GRY D3 CK E DRK GRY X X X 3 X X X 7 X 3 8 X 8 E DRK GRY E7 DRK GRY E8 DRK GRY E C DRK GRY X X X X F DRK GRY H3 DRK GRY H3 DRK GRY I CK I CK I8, I, I0, I, I, I3 GRY I5 CK K DRK GRY P GRY S (/ CRUISE CONTRO) S8 7 3 (/O CRUISE CONTRO) S8 CK T CK V3 UE V GREEN V5 ON 3 X X V8 CK X 5 7 5
5 ENGINE CONTRO (3VZ E) SYSTEM OUTINE THE ENGINE CONTRO SYSTEM UTIIZES MICROCOMPUTER ND MINTINS OVER CONTRO OF THE ENGINE, TRNSMISSION, ETC.. N OUTINE OF ENGINE CONTRO IS GIVEN HERE.. INPUT SIGN () ENGINE COONT TEMP. (TER TEMP.) SIGN SYSTEM THE ENGINE COONT TEMP. SENSOR (TER TEMP. SENSOR) DETECTS THE ENGINE COONT TEMP. ND HS UIT IN THERMISTOR ITH RESISTNCE HICH VRIES CCORDING TO THE ENGINE COONT TEMP. (TER TEMP.) THUS THE ENGINE COONT TEMP. (TER TEMP.) IS INPUT IN THE FORM OF CONTRO SIGN TO TERMIN TH OF THE ENGINE CONTRO MODUE (ENGINE ND EECTRONIC CONTROED TRNSMISSION ECU (/T), ENGINE ECU ). () INTKE IR TEMP. SIGN SYSTEM THE INTKE IR TEMP. SENSOR IS INSTED INSIDE THE VOUME IR FO (IR FO METER) ND DETECTS THE INTKE IR TEMP., HICH IS INPUT S CONTRO SIGN TO TERMIN TH OF THE ENGINE CONTRO MODUE (ECU). (3) OXYGEN SENSOR SIGN SYSTEM THE OXYGEN DENSITY IN THE EXHUST EMISSIONS IS DETECTED ND INPUT S CONTRO SIGN TO TERMIN OX OF THE ENGINE CONTRO MODUE (ECU). TO MINTIN STE DETECTION PERFORMNCE Y THE OXYGEN SENSOR, HETER IS USED FOR RMING THE SENSOR. THE HETER IS SO CONTROED Y THE ENGINE CONTRO MODUE (ECU) (HT). () RPM SIGN SYSTEM CRNKSHFT POSITION ND ENGINE RPM RE DETECTED Y THE PICK UP COI INSTED INSIDE THE DISTRIUTOR, CRNKSHFT POSITION IS INPUT S CONTRO SIGN TO TERMINS G ND G OF THE ENGINE CONTRO MODUE (ECU), ND RPM IS INPUT TO TERMIN NE. (5) THROTTE SIGN SYSTEM THE THROTTE POSITION SENSOR DETECTS THE THROTTE VVE OPENING NGE, HICH IS INPUT S CONTRO SIGN TO TERMIN VT OF THE ENGINE CONTRO MODUE (ECU), OR HEN THE VVE IS FUY COSED, TO TERMIN ID. () VEHICE SPEED SIGN SYSTEM THE VEHICE SPEED SENSOR (SPEED SENSOR), INSTED INSIDE THE COMINTION METER, DETECTS THE VEHICE SPEED ND INPUT CONTRO SIGN TO TERMIN SPD OF THE ENGINE CONTRO MODUE (ECU). (7) /C S SIGN SYSTEM THE OPERTING VOTGE OF THE /C MGNETIC CUTCH IS DETECTED ND INPUT IN THE FORM OF CONTRO SIGN TO TERMIN /C OF THE ENGINE CONTRO MODUE (ECU). (8) TTERY SIGN SYSTEM VOTGE IS CONSTNTY PPIED TO TERMIN TT OF THE ENGINE CONTRO MODUE (ECU). HEN THE IGNITION S IS TURNED TO ON, VOTGE FOR ENGINE CONTRO MODUE (ECU) OPERTION IS PPIED VI THE EFI MIN REY TO TERMINS + ND OF THE ENGINE CONTRO MODUE (ECU). () INTKE IR VOUME SIGN SYSTEM INTKE IR VOUME IS DETECTED Y THE POTENTIOMETER INSTED INSIDE THE VOUME IR FO (IR FO METER) ND IS INPUT S CONTRO SIGN TO TERMIN VS OF THE ENGINE CONTRO MODUE (ECU). INSIDE THE VOUME IR FO (IR FO METER) THERE IS SO S FOR FUE PUMP OPERTION, ND HEN THE MESURING PTE OPENS (IR INTKE OCCURS), THIS S TURNS ON ND CURRENT FOS TO THE FUE PUMP TO OPERTE IT. (0) STOP IGHT S SIGN SYSTEM THE STOP IGHT S IS USED TO DETECT HETHER OR NOT THE VEHICE IS KING ND THE INFORMTION IS INPUT S CONTRO SIGN TO TERMIN STP OF THE ENGINE CONTRO MODUE (ECU). () ST SIGN SYSTEM TO CONFIRM THT THE ENGINE IS CRNKING, THE VOTGE PPIED TO THE STRTER MOTOR DURING CRNKING IS DETECTED ND IS INPUT S CONTRO SIGN TO TERMIN ST OF THE ENGINE CONTRO MODUE (ECU). () ENGINE KNOCK SIGN SYSTEM ENGINE KNOCKING IS DETECTED Y THE KNOCK SENSOR ND INPUT S CONTRO SIGN TO TERMIN KNK OF THE ENGINE CONTRO MODUE (ECU). (3) D SIGN SYSTEM HETHER OR NOT THE VEHICE IS OPERTING IN D MODE IS DETERMINED, ND CONTRO SIGN IS INPUT TO TERMIN D OF THE ENGINE CONTRO MODUE (ECU). 0
6 . CONTRO SYSTEM * MFI (MUTIPORT FUE INJECTION) (EFI) SYSTEM THE MFI (EFI) SYSTEM MONITORS THE ENGINE CONDITIONS THROUGH THE SIGNS ECH SENSOR (INPUT SIGNS ( TO, 3)) INPUTS TO THE ENGINE CONTRO MODUE (ECU). SED ON THIS DT ND THE PROGRM MEMORIZED IN THE ENGINE CONTRO MODUE (ECU), THE MOST PPROPRITE FUE INJECTION TIMING IS DECIDED ND CURRENT IS OUTPUT TO TERMINS #0 ND #0 OF THE ENGINE CONTRO MODUE (ECU). CUSING THE INJECTORS TO OPERTE (TO INJECT FUE). IT IS THIS SYSTEM HICH, THROUGH THE ORK OF THE ENGINE CONTRO MODUE (ECU), FINEY CONTROS FUE INJECTION IN RESPONSE TO DRIVING CONDITIONS. * ES (EECTRONIC SPRK DVNCE) SYSTEM THE ES SYSTEM MONITORS THE ENGINE CONDITIONS USING THE SIGNS (INPUT SIGNS (,, 5 TO 7,,, )) INPUT TO THE ENGINE CONTRO MODUE (ECU) FROM ECH SENSOR. SED ON THIS DT ND THE PROGRM MEMORIZED IN THE ENGINE CONTRO MODUE (ECU), THE MOST PPROPRITE IGNITION TIMING IS DECIDED ND CURRENT IS OUTPUT TO TERMIN IGT OF THE ENGINE CONTRO MODUE (ECU). THIS OUTPUT CONTROS THE IGNITER TO PRODUCE THE MOST PPROPRITE IGNITION TIMING FOR THE DRIVING CONDITIONS. * FUE PRESSURE CONTRO SYSTEM THE FUE PRESSURE UP SYSTEM CUSES THE VSV (FOR FUE PRESSURE UP, /C IDE UP) TO COME ON FOR HIGH TEMP. STRTS ND FOR OUT 80 SECONDS FTER STRTING IN ORDER TO INCRESE THE FUE PRESSURE, IMPROVE STRTIITY T HIGH TEMPERTURES ND PROVIDE STE IDING. THE ENGINE CONTRO MODUE (ECU) EVUTES THE INPUT SIGNS FROM ECH SENSOR (,, ND ), OUTPUTS CURRENT TO TERMIN FPU ND CONTROS THE VSV. * OXYGEN SENSOR HETER CONTRO SYSTEM THE OXYGEN SENSOR HETER CONTRO SYSTEM TURNS THE HETER TO ON HEN THE INTKE IR VOUME IS O (TEMP. OF EXHUST EMISSIONS O), ND RMS UP THE HETED OXYGEN SENSOR (OXYGEN SENSOR) TO IMPROVE DETECTION PERFORMNCE OF THE SENSOR. THE ENGINE CONTRO MODUE (ECU) EVUTES THE SIGNS FROM ECH SENSOR (INPUT SIGNS (,, 8,, )), CURRENT IS OUTPUT TO TERMIN HT ND CONTROS THE HETER. * S CONTRO SYSTEM THE S CONTRO SYSTEM TURNS ON THE VSV (FOR S) HEN THE ENGINE IS COD ND DURING DECEERTION, PREVENTING OVERHETING OF THE TC (THREE Y CTYTIC CONVERTER) ND REDUCING HC ND CO EMISSIONS. THE ENGINE CONTRO MODUE (ECU) EVUTES THE SIGNS FROM ECH SENSOR (INPUT SIGNS (,, 8,, )), THEN SENDS OUTPUT TO TERMIN S ND CONTROS THE VSV. * EGR CUT CONTRO SYSTEM THE EGR CUT CONTRO SYSTEM CONTROS THE VSV (FOR EGR) Y EVUTING THE SIGNS FROM ECH SENSOR INPUT TO THE ENGINE CONTRO MODUE (ECU) (INPUT SIGNS (, )) ND Y SENDING OUTPUT TO TERMIN EGR OF THE ENGINE CONTRO MODUE (ECU). 3. DIGNOSIS SYSTEM ITH THE DIGNOSIS SYSTEM, HEN THERE IS MFUNCTION IN THE ENGINE CONTRO MODUE (ECU) SIGN SYSTEM, THE MFUNCTIONING SYSTEM IS RECORDED IN THE MEMORY. THE MFUNCTIONING SYSTEM CN THEN E FOUND Y REDING THE DISPY (CODE) OF THE MFUNCTION INDICTOR MP (CHECK ENGINE RNING IGHT).. FI SFE SYSTEM HEN MFUNCTION OCCURS IN NY SYSTEM, IF THERE IS POSSIIITY OF ENGINE TROUE EING CUSED Y CONTINUED CONTRO SED ON THE SIGNS FROM THT SYSTEM, THE FI SFE SYSTEM EITHER CONTROS THE SYSTEM Y USING DT (STNDRD VUES) RECORDED IN THE ENGINE CONTRO MODUE (ECU) MEMORY OR ESE STOPS THE ENGINE.
7 ENGINE CONTRO (3VZ E) SERVICE HINTS EFI MIN REY () () : COSED ITH IGNITION S T ON OR ST POSITION V 8 VOUME IR FO (IR FO METER) : COSED ITH STRTER RUNNING OR MESURING PTE OPEN 5 : : (MESURING PTE FUY COSED) 0 00 (MESURING PTE FUY OPEN) 5 7 : 0 0 K ( 0 C, F) 7 K (0 C, 3 F) 3 K (0 C, 8 F) 0..3 K (0 C, 0 F) K (0 C, 0 F) C CIRCUIT OPENING REY : COSED ITH STRTER RUNNING OR MESURING PTE (VOUME IR FO (IR FO METER)) OPEN I8, I, I0, I, I, I3 INJECTOR : 3.. P PRK/NEUTR POSITION S (NEUTR STRT S) (/T) 3 : COSED ITH /T SHIFT EVER IN P OR N POSITION T THROTTE POSITION SENSOR : 0.7. K ITH CERNCE ETEEN EVER ND STOP SCRE 0 MM (0 IN.) 3 :.3 K OR ESS ITH CERNCE ETEEN EVER ND STOP SCRE 0.50 MM (0.07 IN.) INFINITY ITH CERNCE ETEEN EVER ND STOP SCRE 0.77 MM ( IN.) : 3.. K ITH THROTTE VVE FUY OPEN : 3..0 K E ENGINE COONT TEMP. SENSOR (EFI TER TEMP. SENSOR) : 0 0 K ( 0 C, F) 7 K (0 C, 3 F) 3 K (0 C, 8 F) 0..3 K (0 C, 0 F) K (0 C, 0 F) K (80 C, 7 F) E7(), E8(), E(C) ENGINE CONTRO MODUE (ENGINE ND EECTRONIC CONTROED TRNSMISSION ECU (/T), ENGINE ECU ) VOTGE T ENGINE CONTRO MODUE (ECU) CONNECTORS + E : VOTS (IGNITION S ON) TT E : VOTS (YS) VC E : VOTS (IGNITION S ON) ID E : VOTS (IGNITION S ON ND THROTTE VVE OPEN) VT E : VOTS (IGNITION S ON ND THROTTE VVE FUY COSED) 3.. VOTS (IGNITION S ON ND THROTTE VVE FUY OPEN) IGT E : VOTS (CRNKING OR IDING) ST E : VOTS (IGNITION S T ST POSITION) + E : VOTS (IGNITION S ON) #0, #0 E : VOTS (IGNITION S ON) E : VOTS (NO TROUE ND ENGINE RUNNING) VS E : VOTS (IGNITION S ON ND MESURING PTE FUY COSED) VOTS (IGNITION S ON ND MESURING PTE FUY OPEN).3.8 VOTS (IDING) VOTS (3000 RPM) TH E : VOTS (IGNITION S ON ND INTKE IR TEMP. 0 C, 8 F) TH E : 0..0 VOTS (IGNITION S ON ND COONT TEMP. 80 C, 7 F) STJ E : VOTS (IGNITION S T ST POSITION ND COONT TEMP. 80 C, 7 F) STP E : 7.5 VOTS (STOP IGHT S ON) RESISTNCE T ENGINE CONTRO MODUE (ECU) IRING CONNECTOR (DISCONNECT IRING CONNECTOR) ID E : INFINITY (THROTTE VVE OPEN) 0 00 (THROTTE VVE FUY COSED) VT E : K (THROTTE VVE FUY OPEN) K (THROTTE VVE FUY COSED) TH E : 3 K (INTKE IR TEMP. 0 C, 8 F) TH E : K (COONT TEMP. 80 C, 78 F) + E : K VS E : K (MESURING PTE FUY COSED) K (MESURING PTE FUY OPEN) NE E 0 80 STJ E INFINITY
8 : PRTS OCTION CODE SEE PGE CODE SEE PGE CODE SEE PGE C F 7 I5 C0 K H3 C P C3 I S D I S 8 D 3 I 8 T E I V 3 E I0 V E 7 I V 5 E 8 I V 8 E C 7 I3 : REY OCKS CODE SEE PGE REY OCKS (REY OCK OCTION) R/ NO. (ENGINE COMPRTMENT RIGHT) : JUNCTION OCK ND IRE HRNESS CONNECTOR CODE SEE PGE JUNCTION OCK ND IRE HRNESS (CONNECTOR OCTION) C D 0 CO IRE ND J/ NO. (EFT KICK PNE) : CONNECTOR JOINING IRE HRNESS ND IRE HRNESS CODE SEE PGE JOINING IRE HRNESS ND IRE HRNESS (CONNECTOR OCTION) 3 8 CO IRE ND ENGINE ROOM MIN IRE (R/ NO.) C 3 ENGINE IRE ND CO IRE (RIGHT KICK PNE) I 3 FRME IRE ND CO IRE (UNDER PSSENGER S SET) 8 SENSOR IRE ND ENGINE IRE (ON THE HED COVER) : GROUND POINTS CODE SEE PGE GROUND POINTS OCTION 8 EFT FENDER 8 CMSHFT ERING CP E 3 EFT KICK PNE : SPICE POINTS CODE SEE PGE IRE HRNESS ITH SPICE POINTS CODE SEE PGE IRE HRNESS ITH SPICE POINTS E7 E 8 (3VZ E) ENGINE IRE E8 I 8 (3VZ E) ENGINE IRE E I 3 CO IRE E I5 3 ENGINE IRE 3
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