2009 SUBARU TRIBECA ignition coil

EN(H6DO)(diag)-249
Diagnostic Procedure with Diagnostic Trouble Code (DTC)
ENGINE (DIAGNOSTICS)
24 GROUP OF #3 AND #4 CYLINDERSAre there any faults in #3 and
#4 cylinders?
Repair or replace
faulty par ts.
NOTE:
•Check the fol-
lowing item.
•Spark plug
•Fuel injec-
tor
•Ignition
coil
•If any fault
are not found,
check the “IG-
NITION CON-
TROL
SYSTEM” of #3
and #4 cylin-
ders side. to
EN(H6DO)(di-
ag)-63, IGNI-
TION
CONTROL
SYSTEM, Diag-
nostics for En-
gine Starting
Failure.>
Check DTC
P0171, P0172,
P0174 or P0175
using “List of Diag-
nostic Trouble
Code (DTC)”.
EN(H6DO)(diag)-
69, List of Diag-
nostic Trouble
Code (DTC).>
25 GROUP OF #5 AND #6 CYLINDERSAre there any faults in #5 and
#6 cylinders?
Repair or replace
faulty par ts.
NOTE:•Check the fol-
lowing item.
•Spark plug
•Fuel injec-
tor
•Ignition
coil
•Compres-
sion ratio
•If any fault
are not found,
check the “IG-
NITION CON-
TROL
SYSTEM” of #5
and #6 cylin-
ders side. to
EN(H6DO)(di-
ag)-63, IGNI-
TION
CONTROL
SYSTEM, Diag-
nostics for En-
gine Starting
Failure.>
Check DTC
P0171, P0172,
P0174 or P0175
using “List of Diag-
nostic Trouble
Code (DTC)”.
EN(H6DO)(diag)-
69, List of Diag-
nostic Trouble
Code (DTC).>
Step Check Yes No

EN(H6DO)(diag)-393
General Diagnostic Table
ENGINE (DIAGNOSTICS)
*1: Check ignition coil & ignitor assembly and spark plug.
*2: Indicate the symptom occurring only in cold temperatures.
*3: Make sure the secure installation.
*4: Check the fuel injector and fuel pressure regulator.
*5: Inspect air leak in air intake system.
6. Surging
1) Mass air flow and intake air temperature sensor
2) Manifold absolute pressure sensor
3) Engine coolant temperature sensor (*2)
4) Crankshaft position sensor (*3)
5) Camshaft position sensor (*3)
6) Fuel injection parts (*4)
7) Electronic throttle control
8) Fuel pump and fuel pump relay
7. Spark knock
1) Mass air flow and intake air temperature sensor
2) Manifold absolute pressure sensor
3) Engine coolant temperature sensor
4) Knock sensor
5) Fuel injection parts (*4)
6) Fuel pump and fuel pump relay
8. After burning in exhaust system
1) Mass air flow and intake air temperature sensor
2) Manifold absolute pressure sensor
3) Engine coolant temperature sensor (*2)
4) Fuel injection parts (*4)
5) Fuel pump and fuel pump relay
Symptom Problem parts

IG(H6DO)-2
General Description
IGNITION
1. General Description
A: SPECIFICATION
Item Specification
Ignition coil & ignitor ASSY
Typ e F K 0 14 0
Ignition system Independent ignition coil
Manufacturer Diamond Electric
Spar k p l ug
Manufacturer and type NGK: ILFR6B
Thread size (diameter, pitch, length) mm 14, 1.25, 26.5
Spark plug gap mm (in) 0.7 — 0.8 (0.028 — 0.031)
Electrode Iridium

IG(H6DO)-3
General Description
IGNITION
B: COMPONENT
C: CAUTION
•Wear work clothing, including a cap, protective goggles and protective shoes during operation.
•Remove contamination including dirt and corrosion before removal, installation or disassembly.
•Keep the disassembled parts in order and protect them from dust and dirt.
•Before removal, installation or disassembly, be sure to clarify the failure. Avoid unnecessary removal, in-
stallation, disassembly and replacement.
•Be careful not to burn yourself, because each part on the vehicle is hot after running.
•Be sure to tighten fasteners including bolts and nuts to the specified torque.
•Place shop jacks or rigid racks at the specified points.
•Before disconnecting connectors of sensors or units, be sure to disconnect the ground cable from battery.
(1) Spark plug Tightening torque: N·m (kgf-m, ft-lb)
(2) Ignition coil & ignitor ASSY T1: 16 (1.6, 11.7)
T2: 21 (2.1, 15.2)
IG-00052
(1)
(1)
(2)
(2)
T1
T2
T2
T1

IG(H6DO)-4
Spark Plug
IGNITION
2. Spark Plug
A: REMOVAL
CAUTION:
All spark plugs installed on an engine must be
of the same heat range.
Spark plug:
al Description.>
1. RH SIDE
1) Remove the collector cover.
2) Disconnect the ground cable from battery.
3) Remove the air cleaner case.
Case.>
4) Remove the bracket.
5) Disconnect the connector from ignition coil.
6) Remove the ignition coil.
NOTE:
Turn the #5 ignition coil to remove it.
7) Remove the spark plug with a spark plug socket.
2. LH SIDE
1) Remove the collector cover.
2) Remove the battery and battery carrier.
3) Remove the bracket.
4) Disconnect the connector from ignition coil.
5) Remove the ignition coil.
NOTE:
Turn the #6 ignition coil to remove it.
(A) Bracket
(B) Connector
IG-02004(B)
(A)
(A) Ratchet handle
(B) Extension bar
(C) Universal joint
(D) Spark plug socket
(A) Bracket
(B) Connector
IG-02005
(D)(C)(B)(B)
(A)
IG-02011
IG-02006
(A)
(B)

IG(H6DO)-5
Spark Plug
IGNITION
6) Remove the spark plug with a spark plug socket.
B: INSTALLATION
1. RH SIDE
Install in the reverse order of removal.
Tightening torque (Spark plug):
21 N·m (2.1 kgf-m, 15.2 ft-lb)
Tightening torque (Ignition coil):
16 N·m (1.6 kgf-m, 11.7 ft-lb)
NOTE:
The tightening torque described above should be
applied to only new spark plugs without oil on their
threads.
In case their threads are lubricated, the torque
should be reduced by approx. 1/3 of the specified
torque in order to avoid over-stressing.
2. LH SIDE
Install in the reverse order of removal.
Tightening torque (Spark plug):
21 N·m (2.1 kgf-m, 15.2 ft-lb)
Tightening torque (Ignition coil):
16 N·m (1.6 kgf-m, 11.7 ft-lb)
NOTE:
The tightening torque described above should be
applied to only new spark plugs without oil on their
threads. In case their threads are lubricated, the
torque should be reduced by approx. 1/3 of the
specified torque in order to avoid over-stressing.
C: INSPECTION
Check the electrodes and inner and outer ceramic
insulator of plugs, noting the type of deposits and
the degree of electrode erosion.
1) Normal:
Brown to grayish-tan deposits and slight electrode
wear indicate correct spark plug heat range.
(A) Ratchet handle
(B) Extension bar
(C) Universal joint
(D) Spark plug socket
IG-02007
(D)(C)(B)(B)
(A)
IG-02011
(A) Spark plug gap
(B) Carbon accumulation or wear
(C) Cracks
(D) Damage
(E) Damaged gasket
IG-00010
(A)
(B)(C)
(D)
(E)
IG-00011

IG(H6DO)-7
Ignition Coil & Ignitor Assembly
IGNITION
3. Ignition Coil & Ignitor Assem-
bly
A: REMOVAL
Direct ignition type has been adopted. Refer to
“Spark Plug” for removal procedure. IG(H6DO)-4, REMOVAL, Spark Plug.>
B: INSTALLATION
Install in the reverse order of removal.
Tightening torque:
16 N·m (1.6 kgf-m, 11.7 ft-lb)
C: INSPECTION
For inspection procedure, refer to “Diagnostics for
Engine Starting Failure.” 63, IGNITION CONTROL SYSTEM, Diagnostics
for Engine Starting Failure.>

IG(H6DO)-8
Ignition Coil & Ignitor Assembly
IGNITION