Toyota Tundra. Manual — part 1323

coils with
igniters



ECM

P0354

Ignition Coil "D"
Primary/Secondary
Circuit



Ignition system



Open or short in
IGF1 or IGT4
circuit between
ignition coil
with igniter and
ECM



No. 4 ignition
coils with
igniters



ECM

Comes on

DTC stored

Applies

P0355

Ignition Coil "E"
Primary/Secondary
Circuit



Ignition system



Open or short in
IGF2 or IGT5
circuit between
ignition coil
with igniter and
ECM



No. 5 ignition
coils with
igniters



ECM

Comes on

DTC stored

Applies

P0356

Ignition Coil "F"
Primary/Secondary
Circuit



Ignition system



Open or short in
IGF1 or IGT6
circuit between
ignition coil
with igniter and
ECM



No. 6 ignition
coils with
igniters



ECM

Comes on

DTC stored

Applies

P0357

Ignition Coil "G"
Primary/Secondary
Circuit



Ignition system



Open or short in
IGF1 or IGT7
circuit between
ignition coil
with igniter and
ECM

Comes on

DTC stored

Applies

2008 Toyota Tundra

2008 ENGINE PERFORMANCE Engine Control System (2UZ-FE) - Tundra



No. 7 ignition
coils with
igniters



ECM

P0358

Ignition Coil "H"
Primary/Secondary
Circuit



Ignition system



Open or short in
IGF2 or IGT8
circuit between
ignition coil
with igniter and
ECM



No. 8 ignition
coils with
igniters



ECM

Comes on

DTC stored

Applies

P0412

Secondary Air
Injection System
Switching Valve
"A" Circuit



Open in ASV
drive circuit



Short between
ASV drive
circuit and body
ground



AID



ASV



ECM

Comes on

DTC stored

Applies

P0415

Secondary Air
Injection System
Switching Valve
"B" Circuit



Open in ASV
drive circuit



Short between
ASV drive
circuit and body
ground



AID



ASV



ECM

Comes on

DTC stored

Applies

P0418

Secondary Air
Injection System
Control "A" Circuit



Open in air
pump drive
circuit



Short between
air pump drive
circuit and body



Air pump



AID

Comes on

DTC stored

Applies

2008 Toyota Tundra

2008 ENGINE PERFORMANCE Engine Control System (2UZ-FE) - Tundra



ECM

P0419

Secondary Air
Injection System
Control "B" Circuit



Open in air
pump drive
circuit



Short between
air pump drive
circuit and body



Air pump



AID



ECM

Comes on

DTC stored

Applies

P0420

Catalyst System
Efficiency Below
Threshold (Bank 1)



Gas leakage
from exhaust
system



Air-Fuel Ratio
(A/F) sensor
(for bank 1
sensor 1)



Heated Oxygen
(HO2) sensor
(for bank 1
sensor 2)



Front No.2
exhaust pipe
assembly

Comes on

DTC stored

Applies

P0430

Catalyst System
Efficiency Below
Threshold (Bank 2)



Gas leakage
from exhaust
system



Air-Fuel Ratio
(A/F) sensor
(for bank 2
sensor 1)



Heated Oxygen
(HO2) sensor
(for bank 2
sensor 2)



Front exhaust
pipe assembly

Comes on

DTC stored

Applies

P043E

Evaporative
Emission System
Leak Detection
Reference Orifice
Low Flow



Canister pump
module
(Reference
orifice, leak
detection pump,
vent valve)

Comes on

DTC stored

-

2008 Toyota Tundra

2008 ENGINE PERFORMANCE Engine Control System (2UZ-FE) - Tundra



Connector/wire
harness
(Canister pump
module - ECM)



EVAP system
hose (pipe from
air inlet port to
canister pump
module, canister
filter, fuel tank
vent hose)



ECM

P043F

Evaporative
Emission System
Reference Orifice
High Flow



Canister pump
module
(Reference
orifice, leak
detection pump,
vent valve)



Connector/wire
harness
(Canister pump
module - ECM)



EVAP system
hose (pipe from
air inlet port to
canister pump
module, canister
filter, fuel tank
vent hose)



ECM

Comes on

DTC stored

-

P0441

Evaporative
Emission Control
System Incorrect
Purge Flow



Purge VSV



Connector/wire
harness (Purge
VSV-ECM)



ECM



Canister pump
module



Leakage from
EVAP system



Leakage from
EVAP line
(Purge VSV



Intake manifold)

Comes on

DTC stored

-

2008 Toyota Tundra

2008 ENGINE PERFORMANCE Engine Control System (2UZ-FE) - Tundra