Toyota Camry 2007-2009 Service Manual - 2AZ-FE_Ignition

ENGINE2AZ-FE IGNITION

IGNITION SYSTEM

PARTS LOCATION

2AZ-FE IGNITION – IGNITION SYSTEM

IG–1

ECM

IGNITION COIL ASSEMBLY

SPARK PLUG

INSTRUMENT PANEL J/B

-INJ FUSE

IG

A137459E01

IG–2

2AZ-FE IGNITION – IGNITION SYSTEM

SYSTEM DIAGRAM

INJ

C11
Ignition Coil (No. 1)

+B

13

GND

42

C13
Ignition Coil (No. 2)

+B

13

GND

42

C12
Ignition Coil (No. 3)

+B

13

IGT1 C2485IGT1

IGF

IGT2 C2484IGT2

IGF

IGT3 C2493IGT3

ECM

IG

From
Ignition
Switch

1

C16
Noise Filter
(Ignition RH)

GND

42

C14
Ignition Coil (No. 4)

+B

1

GND

42

IGF

IGT4 C2482IGT4

3

IGF

C2481IGF1

A137001

2AZ-FE IGNITION – IGNITION SYSTEM

ON-VEHICLE INSPECTION

1. CHECK IGNITION COIL ASSEMBLY AND PERFORM
SPARK TEST
NOTICE:
In this section, the terms "cold" and "hot" refer to
the temperature of the coils. "Cold" means
approximately -10 to 50°C (14 to 122°F). "Hot" means
approximately 50 to 100°C (122 to 212°F).

(a) Check for DTCs.

NOTICE:
If any DTC is present, perform troubleshooting
in accordance with the procedure for that DTC.

(b) Check that sparks occur.

(1) Remove the No. 1 engine cover.
(2) Disconnect the 4 ignition coil connectors and

remove the 4 bolts and ignition coils.

IG–3

16 mm Spark
Plug Wrench

A124849E01

A097448E01

A124396

(3) Using a 16 mm (0.63 in.) spark plug wrench,

remove the 4 spark plugs.

(4) Disconnect the 4 fuel injector connectors.
(5) Install the spark plug to each ignition coil, and

connect the ignition coil connectors.

(6) Ground the spark plug.
(7) Check if a spark occurs at each spark plug

while the engine is being cranked.

NOTICE:

• Be sure to ground the spark plugs when
checking.

• Replace the ignition coil if it receives an
impact.

• Do not crank the engine for more than 2
seconds.

IG