18–16 IGNITION – CAMSHAFT POSITION POSITION SENSOR SENSOR (1AZ–FE/1AZ–FSE)
CAMSHAFT CAMSH AFT POSITION POSITION SENSOR (1AZ– (1AZ–FE/1A FE/1AZ–FSE Z–FSE)) 1807K–01
REPLACEMENT 1.
REMO RE MOVE VE RAD RADIA IAT TOR SUP SUPPO PORT RT OPE OPENI NING NG COV COVER ER (See page 10–26) 10–26) 2. (a) (b)
REM EMOV OVE E CA CAMSH SHA AFT PO POSI SITI TION ON SEN ENSO SOR R Disco Di sconne nnect ct the the camsh camshaft aft posi positio tion n sensor sensor con connec nector tor.. Remov Re move e the bo bolt, lt, and and then then rem remove ove the cam camsha shaft ft posi positio tion n sensor.
A77895
3. (a) (b) (c) 4.
INSTAL INST ALL L CA CAMS MSHA HAFT FT PO POSI SITI TION ON SE SENS NSOR OR Apply Appl y a light light coat coat of engine engine oil to the O–ring O–ring on the the camshaft camshaft posi position tion sens sensor or.. Instal Ins talll the the camsh camshaft aft pos positi ition on sens sensor or with with the bol bolt. t. Torque: 9.0 NVm (92 kgfVcm, 79 in.Vlbf) Conne Co nnect ct the the cam camsha shaft ft posi positio tion n senso sensorr conne connecto ctorr. INST IN STAL ALL L RA RADI DIA ATO TOR R SU SUPP PPOR ORT T OPE OPENI NING NG CO COVE VER R
AVENSIS REPAIR MANUAL (RM1018 (RM1018E) E)
18–5 IGNITION – CAMSHAFT POSITION SENSOR (1ZZ–FE/3ZZ–FE)
CAMSHAFT POSITION SENSOR (1ZZ–FE/3ZZ–FE) 1807I–01
REPLACEMENT 1. 2.
REMOVE RADIATOR SUPPORT OPENING COVER (See page 10–9) REMOVE CYLINDER HEAD COVER NO.2 (See page 10–9) 3. REMOVE CAMSHAFT POSITION SENSOR (a) Disconnect the camshaft position sensor connector. (b) Remove the bolt, and then remove the camshaft position sensor.
A78482
4. (a) (b) (c) 5. 6.
INSTALL CAMSHAFT POSITION SENSOR Apply a light coat of engine oil to the O–ring on the camshaft position sensor. Install the camshaft position sensor with the bolt. Torque: 9.0 NVm (92 kgfVcm, 80 in.Vlbf) Connect the camshaft position sensor connector. INSTALL CYLINDER HEAD COVER NO.2 (See page 10–9) INSTALL RADIATOR SUPPORT OPENING COVER
AVENSIS REPAIR MANUAL (RM1018E)
IGNITION – CRANKSHAFT POSITION SENSOR (1AZ–FE/1AZ–FSE)
18–17
CRANKSHAFT POSITION SENSOR (1AZ–FE/1AZ–FSE) 1807L–01
REPLACEMENT 1. 2. 3. 4. 5. 6.
REMOVE ENGINE UNDER COVER LH (See page 19–20) REMOVE ENGINE UNDER COVER RH (See page 19–20) REMOVE RADIATOR SUPPORT OPENING COVER (See page 10–26) REMOVE ENGINE ROOM COVER SIDE (See page 10–26) REMOVE FAN AND GENERATOR V BELT REMOVE GENERATOR ASSY (See page 19–20) SST 09249–63010
HINT: S
S
1AZ–FE: 14–105 1AZ–FSE: 14–185
(b)
7. (a) (b)
(a)
(c) (d) (e)
(c)
(d)
REMOVE CRANKSHAFT POSITION SENSOR Disconnect the crankshaft position sensor connector. Remove the wire harness of the crankshaft position sensor from the wire harness clamp bracket. Remove the connector clamp. Remove the wire harness clamp. Remove the bolt, and then remove the crankshaft position sensor.
A77896
8. (a) (b)
INSTALL CRANKSHAFT POSITION SENSOR Apply a light coat of engine oil to the O–ring on the crankshaft position sensor. Install the crankshaft position sensor with the bolt. Torque: 9.0 NVm (92 kgfVcm, 79 in.Vlbf) (c) Install the wire harness clamp. (d) Install the connector clamp. (e) Install the wire harness of the crankshaft position sensor to the the wire harness clamp bracket. (f) Connect the crankshaft position sensor connector. 9. INSTALL GENERATOR ASSY (See page 19–20) 10. INSTALL FAN AND GENERATOR V BELT SST 09249–63010 HINT: 1AZ–FE: 14–105 1AZ–FSE: 14–185 11. INSTALL ENGINE ROOM COVER SIDE 12. INSTALL RADIATOR SUPPORT OPENING COVER 13. INSTALL ENGINE UNDER COVER RH 14. INSTALL ENGINE UNDER COVER LH S
S
AVENSIS REPAIR MANUAL (RM1018E)
18–6 IGNITION – CRANKSHAFT POSITION SENSOR (1ZZ–FE/3ZZ–FE)
CRANKSHAFT POSITION SENSOR (1ZZ–FE/3ZZ–FE) 1807J–01
REPLACEMENT 1. 2. 3. 4. 5. 6. 7.
REMOVE ENGINE UNDER COVER LH (See page 19–20) REMOVE ENGINE UNDER COVER SUB–ASSY NO.1 (See page 10–17) REMOVE ENGINE UNDER COVER RH (See page 19–20) REMOVE RADIATOR SUPPORT OPENING COVER (See page 10–9) REMOVE ENGINE ROOM COVER SIDE (See page 10–9) REMOVE FAN AND GENERATOR V BELT (See page 14–5) REMOVE GENERATOR ASSY (See page 19–7)
8. (a) (b) (c)
(b)
(a)
(d)
REMOVE CRANKSHAFT POSITION SENSOR Disconnect the crankshaft position sensor connector. Remove the connector clamp. Remove the 2 bolts, and then remove the crankshaft position sensor. Remove the cord clamp from the crankshaft position sensor.
A78483
(e)
9. (a) (b)
(d)
(f)
(c)
A78484
10. 11. 12. 13. 14. 15. 16.
(d) (e) (f)
INSTALL CRANKSHAFT POSITION SENSOR Install the cord clamp to the crankshaft position sensor. Apply a light coat of engine oil on the O–ring of the crankshaft position sensor. Install the crankshaft position sensor with the 2 bolts. Torque: 9.0 NVm (92 kgfVcm, 80 in.Vlbf) Install the wire harness as shown in the illustration. Install the connector clamp. Connect the crankshaft position sensor connector.
INSTALL GENERATOR ASSY (See page 19–7) INSTALL FAN AND GENERATOR V BELT (See page 14–5) INSTALL ENGINE ROOM COVER SIDE INSTALL RADIATOR SUPPORT OPENING COVER INSTALL ENGINE UNDER COVER RH INSTALL ENGINE UNDER COVER SUB–ASSY NO.1 INSTALL ENGINE UNDER COVER LH
AVENSIS REPAIR MANUAL (RM1018E)
18–7 IGNITION – IGNITION SYSTEM (1AZ–FE)
IGNITION SYSTEM (1AZ–FE) 1807M–01
ON–VEHICLE INSPECTION NOTICE: ”Cold” and ”Hot” in this section mean the temperature of the coils themselves.”Cold” is from –10_C (14_F) to 50 _C (122 _F) and ”Hot” is from 50 _C (122 _F) to 100 _C (212 _F). 1. INSPECT IGNITION COIL (WITH IGNITER) AND SPARK TEST (a) Check for DTCs. NOTICE: If DTC is present, perform a troubleshooting in accordance with a procedure for that DTC. (b) Check that spark occurs. (1) Remove the cylinder head cover No. 1. (See page 14–106) (2) Remove the ignition coils (with igniter). (3) Using a 16mm (0.63 in) plug wrench, remove the spark plugs. (4) Install the spark plugs to each ignition coil (with igniter) and connect the ignition coil connectors. (5) Disconnect the 4 injector connectors. (6) Ground the spark plugs. (7) Check if spark occurs at each spark plug while engine is being cranked. NOTICE: Be sure to ground the spark plug when checking. S Replace the ignition coil if it is given physical impact. S Do not crank the engine for more than 2 seconds. S If the sparks do not occur, do the following test: SPARK TEST NG CHECK CONNECTION OF IGNITION COIL WITH IGNITER CONNECTOR OK CHANGE IT TO NORMAL IGNITION COIL WITH IGNITER AND PERFORM SPARK TEST AGAIN NG CHECK POWER SUPPLY TO IGNITION COIL WITH IGNITER
NG
OK
1. Turn ignition switch ON. 2. Check that there is battery voltage at ignition coil positive (+) terminal.
NG
OK CHECK RESISTANCE OF CAMSHAFT POSITION SENSOR (See page 18–9) Cold Hot 835 to 1,400 W 1,060 to 1,645 W Resistance: OK
NG
CHECK RESISTANCE OF CRANKSHAFT POSITION SENSOR (See page 18–9 ) Cold Hot Resistance: 985 to 1,600 W 1,265 to 1,890 W
NG
Connect securely.
Replace ignition coil with igniter.
Check wiring between ignition switch to ignition coil with igniter.
Replace camshaft position sensor.
Replace crankshaft position sensor.
OK CHECK IGT SIGNAL FROM ECM (See page 05–232) OK REPAIR WIRING BETWEEN IGNITION COIL AND ECM
AVENSIS REPAIR MANUAL (RM1018E)
NG
Check ECM (See page 01–32)
18–8 IGNITION – IGNITION SYSTEM (1AZ–FE)
(c) (d) (e)
Using a 16 mm (0.63 in.) plug wrench, install the spark plugs. Torque: 19 NVm (194 kgfVcm, 14 ftVlbf) Install the ignition coil with igniter. Torque: 9.0 NVm (92 kgfVcm, 80 in.Vlbf) Install the cylinder head cover No. 1. (See page 14–106 )
AVENSIS REPAIR MANUAL (RM1018E)
18–9 IGNITION – IGNITION SYSTEM (1AZ–FE) 1807N–01
INSPECTION
1. INSPECT SPARK PLUG (EXCEPT EUROPE) (a) Clean the spark plugs. If the electrode has traces of wet carbon, clean the electrode with a spark plug cleaner then dry it. Air pressure: Below 588 kPa (6kg/cm2, 85 psi) Duration: 20 seconds or less
A50033
(b)
Check the spark plug for any damage on its thread and insulator damage. If there is damage, replace the spark plug. Recommended spark plug: DENSO made
K20R–U11
NGK made
BKR6EYA11
P03783
(c)
Adjust electrode gap. Electrode gap: 1.0 to 1.1 mm (0.039 to 0.043 in.) 2. INSPECT SPARK PLUG (FOR EUROPE) NOTICE: Do not use a wire brush for cleaning. Do not attempt to adjust the electrode gap of a used spark plug. Spark plug should be replaced every 100,000 km (60,000 miles). S
S
S
P03792
(a)
Ohmmeter
Ground
AVENSIS REPAIR MANUAL (RM1018E)
IG0147
Check the electrode. (1) Using an ohmmeter, measure the insulation resistance. Correct insulation resistance: 10 M W or more If the resistance is less then the specified valve, proceed to step (d). HINT: If the ohmmeter is not available, perform the following alternative inspection. This provides also fairly accurate results.
18–10 IGNITION – IGNITION SYSTEM (1AZ–FE)
(b)
Alternative inspection: (1) Quickly accelerate the engine to 4,000 rpm 5 times. (2) Remove the spark plug. (3) Visually check the spark plug. (4) If the electrode is dry...OK. (5) If the electrode is wet...Proceed to step (C). (6) Reinstall the spark plug.
B01301
(c)
Check the spark plug for any damage on its thread and insulator. If there is damage, replace the spark plug. Recommended spark plug: DENSO made
SK20R11
NGK made
IFR6A11
IG0316
(d)
Check the spark plug electrode gap. Maximum electrode gap for used spark plug: 1.3 mm (0.051 in.) If the gap is greater than maximum, replace the spark plug. Correct electrode gap for new spark plug: 1.0 to 1.1 mm (0.039 to 0.043 in.) 1.1 mm B02101
(e) Clean the spark plugs. If the electrode has traces of wet carbon, clean the electrode with a spark plug cleaner then dry it. Air pressure: Blow 588 kPa (6 kgf/cm 2, 85 psi) Duration: 20 seconds or less HINT: If there are traces of oil, remove it with gasoline before using the spark plug cleaner. B62019
3. (a)
INSPECT CAMSHAFT POSITION SENSOR Using an ohmmeter, measure the resistance between the terminals. RESISTANCE: 835 to 1,400 W at cold 1,060 to 1,645 W at hot NOTICE: ”Cold” and ”Hot” mean the temperature of the coils themselves.”Cold” is from – 10 C (14 F) to 50 C (122 F) and ”Hot” is from 50 C (122 F) to 100 C (212 F). _
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AVENSIS REPAIR MANUAL (RM1018E)
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18–11 IGNITION – IGNITION SYSTEM (1AZ–FE)
4. (a)
INSPECT CRANKSHAFT POSITION SENSOR Using an ohmmeter, measure the resistance between the terminals. RESISTANCE: 985 to 1,600 W at cold 1,265 to 1,890 W at hot NOTICE: ”Cold” and ”Hot” mean the temperature of the coils themselves.”Cold” is from – 10 C (14 F) to 50 C (122 F) and ”Hot” is from 50 C (122 F) to 100 C (212 F). _
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AVENSIS REPAIR MANUAL (RM1018E)
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18–12 IGNITION – IGNITION SYSTEM (1AZ–FSE)
IGNITION SYSTEM (1AZ–FSE) 1807Q–01
ON–VEHICLE INSPECTION NOTICE: ”Cold” and ”Hot” in this section mean the temperature of the coils themselves.”Cold” is from –10_C (14_F) to 50 _C (122 _F) and ”Hot” is from 50 _C (122 _F) to 100 _C (212 _F). 1. INSPECT IGNITION COIL (WITH IGNITER) AND SPARK TEST (a) Check for DTCs. NOTICE: If DTC is present, perform a troubleshooting in accordance with a procedure for that DTC. (b) Check that spark occurs. (1) Remove the cylinder head cover No. 1. (See page 14–186) (2) Remove the ignition coils (with igniter). (3) Using a 16mm (0.63 in) plug wrench, remove the spark plugs. (4) Install the spark plugs to each ignition coil (with igniter) and connect the ignition coil connectors. (5) Disconnect the 4 injector connectors. (6) Ground the spark plugs. (7) Check if spark occurs at each spark plug while engine is being cranked. NOTICE: Be sure to ground the spark plug when checking. S Replace the ignition coil it is given physical impact. S Do not crank the engine for more than 2 seconds. S If the sparks do not occur, do the following test: SPARK TEST NG CHECK CONNECTION OF IGNITION COIL WITH IGNITER CONNECTOR OK CHANGE IT TO NORMAL IGNITION COIL WITH IGNITER AND PERFORM SPARK TEST AGAIN NG CHECK POWER SUPPLY TO IGNITION COIL WITH IGNITER
NG
OK
1. Turn ignition switch ON. 2. Check that there is battery voltage at ignition coil positive (+) terminal.
NG
OK CHECK RESISTANCE OF CAMSHAFT POSITION SENSOR (See page 18–14) Cold Hot 835 to 1,400 W 1,060 to 1,645 W Resistance: OK
NG
CHECK RESISTANCE OF CRANKSHAFT POSITION SENSOR (See page 18–14) Cold Hot Resistance: 985 to 1,600 W 1,265 to 1,890 W
NG
Connect securely.
Replace ignition coil with igniter.
Check wiring between ignition switch to ignition coil with igniter.
Replace camshaft position sensor.
Replace crankshaft position sensor.
OK CHECK IGT SIGNAL FROM ECM (See page 05–439) OK REPAIR WIRING BETWEEN IGNITION COIL AND ECM
AVENSIS REPAIR MANUAL (RM1018E)
NG
Check ECM (See page 01–32)
18–13 IGNITION – IGNITION SYSTEM (1AZ–FSE)
(c) (d) (e)
Using a 16 mm (0.63 in.) plug wrench, install the spark plugs. Torque: 19 NVm (194 kgfVcm, 14 ftVlbf) Install the ignition coil with igniter. Torque: 9.0 NVm (92 kgfVcm, 80 in.Vlbf) Install the cylinder head cover No. 1. (See page 14–186)
AVENSIS REPAIR MANUAL (RM1018E)
18–14 IGNITION – IGNITION SYSTEM (1AZ–FSE) 1807R–01
INSPECTION 1. INSPECT SPARK PLUG NOTICE: Do not use a wire brush for cleaning. Do not attempt to adjust the electrode gap of a used spark plug. Spark plug should be replaced every 100,000 km (60,000 miles). S
S
S
(a)
Ohmmeter
Ground
IG0147
Check the electrode. (1) Using an ohmmeter, measure the insulation resistance. Correct insulation resistance: 10 M W or more If the resistance is less then the specified value, proceed to step (d). HINT: If the ohmmeter is not available, do the following inspection instead. (b)
Alternative inspection: (1) Quickly accelerate the engine to 4,000 rpm 5 times. (2) Remove the spark plug. (3) Visually check the spark plug. If a kink or twist as shown in the illustration on the left is found on the spark plug, replace it with a new one. (4) If the electrode is dry...OK. (5) If the electrode is wet...Proceed to step (e). (6) Reinstall the spark plug.
A78638
(c)
Check the spark plug for any damage on its thread and insulator. If there is damage, replace the spark plug. Recommended spark plug: DENSO made
A78639
AVENSIS REPAIR MANUAL (RM1018E)
SK20BR11
18–15 IGNITION – IGNITION SYSTEM (1AZ–FSE)
(d)
Check the spark plug electrode gap. Maximum electrode gap for used spark plug: 1.3 mm (0.051 in.) If the gap is greater than maximum, replace the spark plug. Correct electrode gap for new spark plug: 1.0 to 1.1 mm (0.039 to 0.043 in.) 1.0 to 1.1 mm A78640
(e) Clean the spark plugs. If the electrode has traces of wet carbon, clean the electrode with a spark plug cleaner then dry it. Air pressure: Blow 588 kPa (6 kgf/cm 2, 85 psi) Duration: 20 seconds or less HINT: If there are traces of oil, remove them with gasoline before using the spark plug cleaner. B62019
2. (a)
INSPECT CAMSHAFT POSITION SENSOR Using an ohmmeter, measure the resistance between the terminals. RESISTANCE: 835 to 1,400 W at cold 1,060 to 1,645 W at hot NOTICE: ”Cold” and ”Hot” mean the temperature of the coils themselves.”Cold” is from –10 C (14 F) to 50 C (122 F) and ”Hot” is from 50 C (122 F) to 100 C (212 F). 3. INSPECT CRANKSHAFT POSITION SENSOR (a) Using an ohmmeter, measure the resistance between the terminals. RESISTANCE: 985 to 1,600 W at cold 1,265 to 1,890 W at hot NOTICE: ”Cold” and ”Hot” mean the temperature of the coils themselves.”Cold” is from –10 C (14 F) to 50 C (122 F) and ”Hot” is from 50 C (122 F) to 100 C (212 F). _
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AVENSIS REPAIR MANUAL (RM1018E)
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18–1 IGNITION – IGNITION SYSTEM (1ZZ–FE/3ZZ–FE)
IGNITION SYSTEM (1ZZ–FE/3ZZ–FE) 1807O–01
ON–VEHICLE INSPECTION NOTICE: ”Cold” and ”Hot” in this section mean the temperature of the coils themselves.”Cold” is from –10_C (14_F) to 50 _C (122 _F) and ”Hot” is from 50 _C (122 _F) to 100 _C (212 _F). 1. INSPECT IGNITION COIL (WITH IGNITER) AND SPARK TEST (a) Check for DTCs. NOTICE: If DTC is present, perform a troubleshooting in accordance with a procedure for that DTC. (b) Check that spark occurs. (1) Remove the cylinder head cover No. 2. (See page 14–6) (2) Remove the ignition coils (with igniter). (3) Using a 16mm (0.63 in) plug wrench, remove the spark plugs. (4) Install the spark plugs to each ignition coil (with igniter) and connect the ignition coil connectors. (5) Disconnect the 4 injector connectors. (6) Ground the spark plugs. (7) Check if spark occurs at each spark plug while engine is being cranked. NOTICE: Be sure to ground the spark plug when checking. S Replace the ignition coil it is given physical impact. S Do not crank the engine for more than 2 seconds. S If the sparks do not occur, do the following test: SPARK TEST NG CHECK CONNECTION OF IGNITION COIL WITH IGNITER CONNECTOR OK CHANGE IT TO NORMAL IGNITION COIL WITH IGNITER AND PERFORM SPARK TEST AGAIN NG CHECK POWER SUPPLY TO IGNITION COIL WITH IGNITER
NG
OK
1. Turn ignition switch ON. 2. Check that there is battery voltage at ignition coil positive (+) terminal.
NG
OK CHECK RESISTANCE OF CAMSHAFT POSITION SENSOR (See page 18–3) Cold Hot 835 to 1,400 W 1,060 to 1,645 W Resistance: OK
NG
CHECK RESISTANCE OF CRANKSHAFT POSITION SENSOR (See page 18–3) Cold Hot Resistance: 1,630 to 2,740 W 2,065 to 3,225 W
NG
Connect securely.
Replace ignition coil with igniter.
Check wiring between ignition switch to ignition coil with igniter.
Replace camshaft position sensor.
Replace crankshaft position sensor.
OK CHECK IGT SIGNAL FROM ECM (See page 05–103) OK REPAIR WIRING BETWEEN IGNITION COIL AND ECM
AVENSIS REPAIR MANUAL (RM1018E)
NG
Check ECM (See page 01–32)
18–2 IGNITION – IGNITION SYSTEM (1ZZ–FE/3ZZ–FE)
(c) (d) (e)
Using a 16 mm (0.63 in.) plug wrench, install the spark plugs. Torque: 18 NVm (184 kgfVcm, 13 ftVlbf) Install the ignition coil with igniter. Torque: 9.0 NVm (92 kgfVcm, 80 in.Vlbf) Install the cylinder head cover No. 2. (See page 14–6)
AVENSIS REPAIR MANUAL (RM1018E)
18–3 IGNITION – IGNITION SYSTEM (1ZZ–FE/3ZZ–FE) 1807P–01
INSPECTION
1. INSPECT SPARK PLUG (a) Clean the spark plugs. If the electrode has traces of wet carbon, clean the electrode with a spark plug cleaner then dry it. Air pressure: Below 588 kPa (6kg/cm2, 85 psi) Duration: 20 seconds or less
A50033
(b)
Check the spark plug for any damage on its thread and insulator damage. If there is damage, replace the spark plug. Recommended spark plug: DENSO made
K16R–U11
NGK made
BKR5EYA11
P03783
(c)
Adjust electrode gap. Electrode gap: 1.0 to 1.1 mm (0.039 to 0.043 in.)
P03792
2. (a)
INSPECT CAMSHAFT POSITION SENSOR Using an ohmmeter, measure the resistance between the terminals. RESISTANCE: 835 to 1,400 W at cold 1,060 to 1,645 W at hot NOTICE: ”Cold” and ”Hot” mean the temperature of the coils themselves.”Cold” is from – 10 C (14 F) to 50 C (122 F) and ”Hot” is from 50 C (122 F) to 100 C (212 F). _
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AVENSIS REPAIR MANUAL (RM1018E)
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18–4 IGNITION – IGNITION SYSTEM (1ZZ–FE/3ZZ–FE)
3. (a)
INSPECT CRANKSHAFT POSITION SENSOR Using an ohmmeter, measure the resistance between the terminals. RESISTANCE: 1,630 to 2,740 W at cold 2,065 to 3,225 W at hot NOTICE: ”Cold” and ”Hot” mean the temperature of the coils themselves.”Cold” is from – 10 C (14 F) to 50 C (122 F) and ”Hot” is from 50 C (122 F) to 100 C (212 F). _
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AVENSIS REPAIR MANUAL (RM1018E)
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