2003 TOYOTA AVENSIS Service Repair Manual

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Page 945 of 2234

TOYOTA AVENSIS 2003 Service Repair Manual 18±8
±
IGNITION IGNITION SYSTEM (1AZ±FE)
AVENSIS REPAIR MANUAL (RM1018E)
(c) Using a 16 mm (0.63 in.) plug wrench, install the spark plugs. Torque: 19 N m (194 kgf cm, 14 ftlbf)
(d) Install th

Page 946 of 2234

TOYOTA AVENSIS 2003 Service Repair Manual 1807N±01
A50033
P03783
P03792
IG0147
Ohmmeter
Ground
±
IGNITION IGNITION SYSTEM (1AZ±FE)
18±9
AVENSIS REPAIR MANUAL (RM1018E)
INSPECTION
1. INSPECT SPARK PLUG (EXCEPT EUROPE)
(a) Clean the spark

Page 947 of 2234

TOYOTA AVENSIS 2003 Service Repair Manual B01301
IG0316
B02101
1.1 mm
B62019
18±10
±
IGNITION IGNITION SYSTEM (1AZ±FE)
AVENSIS REPAIR MANUAL (RM1018E)
(b) Alternative inspection: (1) Quickly accelerate the engine to 4,000 rpm 5 times.
(

Page 948 of 2234

TOYOTA AVENSIS 2003 Service Repair Manual ±
IGNITION IGNITION SYSTEM (1AZ±FE)
18±11
AVENSIS REPAIR MANUAL (RM1018E)
4. INSPECT CRANKSHAFT POSITION SENSOR
(a) Using an ohmmeter, measure the resistance between the terminals.
RESISTANCE:
98

Page 949 of 2234

TOYOTA AVENSIS 2003 Service Repair Manual 1807Q±01
CHECK POWER SUPPLY TO IGNITION COIL WITHSENSOR (See page 18±14)
SPARK TEST
Replace crankshaft position sensor.
CHECK RESISTANCE OF CAMSHAFT POSITION
1. Turn ignition switch ON.
2. Check tha

1807Q±01
CHECK POWER SUPPLY TO IGNITION COIL WITHSENSOR (See page 18±14)
SPARK TEST
Replace crankshaft position sensor.
CHECK RESISTANCE OF CAMSHAFT POSITION
1. Turn ignition switch ON.
2. Check that there is battery voltage at ignition coil positive (+) terminal.
CHECK CONNECTION OF IGNITION COIL WITH IGNITER
Resistance: ColdHot
1,060 to 1,645
CHECK RESISTANCE OF CRANKSHAFT POSITION
Resistance: ColdHot
985 to 1,600 1,265 to 1,890
CHECK IGT SIGNAL FROM ECM
(See page 05±439)
REPAIR WIRING BETWEEN IGNITION COIL AND ECM Connect securely.
Check wiring between ignition switch to ignition coil with igniter.
Check ECM (See page 01±32)
NG
OK
OK
OK
OK NG
NG
NG
NG
NG
SENSOR (See page 18±14)
835 to 1,400

IGNITER
CHANGE IT TO NORMAL IGNITION COIL WITH IGNITER
AND PERFORM SPARK TEST AGAIN
OK
Replace ignition coil with igniter.
NG
OK
CONNECTOR
Replace camshaft position sensor.
18±12
±
IGNITIONIGNITION SYSTEM(1AZ±FSE)
AVENSIS REPAIR MANUAL (RM1018E)
IGNITION SYSTEM(1AZ±FSE)
ON±VEHICLE INSPECTION
NOTICE:
ºColdº and ºHotº in this section mean the temperature of the coils thems\
elves.ºColdº is from ±10C
(14F) to 50 C (122 F) and ºHotº 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 proced\
ure 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.
Replace the ignition coil it is given physical impact.
Do not crank the engine for more than 2 seconds.
If the sparks do not occur, do the following test:
http://vnx.su

Page 950 of 2234

TOYOTA AVENSIS 2003 Service Repair Manual ±
IGNITIONIGNITION SYSTEM(1AZ±FSE)
18±13
AVENSIS REPAIR MANUAL (RM1018E)
(c)Using a 16 mm (0.63 in.) plug wrench, install the spark plugs.
Torque: 19 N m (194 kgfcm, 14 ftlbf)
(d)Install the i

Page 951 of 2234

TOYOTA AVENSIS 2003 Service Repair Manual 1807R±01
IG0147
Ohmmeter
Ground
A78638
A78639
18±14
±
IGNITION IGNITION SYSTEM (1AZ±FSE)
AVENSIS REPAIR MANUAL (RM1018E)
INSPECTION
1. INSPECT SPARK PLUG
NOTICE:
Do not use a wire brush for cle

Page 952 of 2234

TOYOTA AVENSIS 2003 Service Repair Manual A78640
1.0 to 1.1 mm
B62019
±
IGNITION IGNITION SYSTEM (1AZ±FSE)
18±15
AVENSIS REPAIR MANUAL (RM1018E)
(d) Check the spark plug electrode gap.
Maximum electrode gap for used spark plug:
1.3 mm (

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