Page 1254 of 3115
- DIAGNOSTICSENGINE
DI-205
398 Author: Date:
2004 LAND CRUISER (RM1071U)
MONITOR STRATEGY
P0351No. 1 ignition coil with igniter circuit malfunction
P0352No. 2 ignition coil with igniter circuit malfunction
P0353No. 3 ignition coil with igniter circuit malfunction
RltdDTCP0354No. 4 ignition coil with igniter circuit malfunctionRelated DTCsP0355No. 5 ignition coil with igniter circuit malfunction
P0356No. 6 ignition coil with igniter circuit malfunction
P0357No. 7 ignition coil with igniter circuit malfunction
P0358No. 8 ignition coil with igniter circuit malfunction
Required sensors/componentsIgniter
Frequency of operationContinuous
Duration0.256 sec.
MIL operationImmediate
Sequence of operationNone
TYPICAL ENABLING CONDITIONS
ItSpecificationItemMinimumMaximum
The monitor will run whenever the follow-
ing DTCs are not presentSee ºList of disable a monitorº (on page DI-3)
Engine speed-1,500 rpm
Either of the following conditions is met:A or B
A. Following conditions are met:(a) and (b)
(a) Engine speed-500 rpm
(b) Battery voltage6 V-
B. Following conditions are met:(a) and (b)
(a) Engine speed500 rpm-
(b) Battery voltage10 V-
TYPICAL MALFUNCTION THRESHOLDS
Detection CriteriaThreshold
ºIgnition signal fail countºMore than 2
ºIgnition signal fail countº is as follows:When IGF should have returned despite sending IGT.
COMPONENT OPERATING RANGE
Standard Value
Confirmed signal number = ignition signal number
Page 1255 of 3115
A21368
I8 Ignition Coil with Igniter No. 8
I7 Ignition Coil with Igniter No. 7
I2 Ignition Coil with Igniter No. 2 I3 Ignition Coil with Igniter No. 3 I4 Ignition Coil with Igniter No. 4 I5 Ignition Coil with Igniter No. 5 I6 Ignition Coil with Igniter No. 6
I1 Ignition Coil with Igniter No. 1ECM
IGF1 IGF2
IGT8
IGT7
IGT6
IGT5
IGT4
IGT3
IGT2
IGT1 24
26 10
25
8
9 13
12
11 E5
E5
E5
E5
E5
E5
E5
E5
E5
E523
B-R
B-W
L-B
B-L
B-Y
EC
BatteryEngine Room J/BI18
Ignition SW
IG2 AM2 Y
G
L
R
B B-R
A
A If1
If17
6
B-R B-R B-R
B-R
B-R B-R
B-R
B-R 3
1 4
2
3
1 4
2
3
1 4
2
3
1 4
2
3
1 4
2
3
1 4
2
3
1 4
2
3
1 4
2 B-R
B-W
W-B
B-R
W-B
B-W
W-B
B-W
W-B
B-R
W-B
B-W
W-B
B-R
W-B
B-R
W-B
B-W W-B
W-B
W-B
W-B
W-B B-W
B-W
B-W B-R
B-R
W-B
EDF15
FL Block
MAIN
2 B-G N1 Noise Filter
(Ignition )
21B-R W-B B-R B-R B-R B-RJ4
J/C
IN2
Ib2
6
7
Cowl Side J/B LH
10
41 9 1AM2
W-R W-R
2E 2A 1B
1C11
8B-R
B-R
B-R
B-R
B-R
B-R DI-206
- DIAGNOSTICSENGINE
399 Author: Date:
2004 LAND CRUISER (RM1071U)
WIRING DIAGRAM
Page 1257 of 3115
A21025
Wire Harness Side:
I1
I2
I3I4
I5I6
I7I8
Ignition Coil with Igniter Connector
A21023
E5
IGF2
IGF1
ECM Connector
DI-208
- DIAGNOSTICSENGINE
401 Author: Date:
2004 LAND CRUISER (RM1071U)
2 Check for open and short in harness and connector in IGF signal circuits be-
tween ECM and ignition coil with igniter.
PREPARATION:
(a) Disconnect the I1, I2, I3, I4, I5, I6, I7 or I8 ignition coil will
igniter connector.
(b) Disconnect the E5 ECM connector.
CHECK:
Check the resistance between the wire harness side connec-
tors.
OK:
Tester ConnectionSpecified Condition
Ignition coil (I1-2) - IGF1 (E5-24)Below 1 W
Ignition coil (I2-2) - IGF2 (E5-23)Below 1 W
Ignition coil (I3-2) - IGF1 (E5-24)Below 1 W
Ignition coil (I4-2) - IGF2 (E5-23)Below 1 W
Ignition coil (I5-2) - IGF1 (E5-24)Below 1 W
Ignition coil (I6-2) - IGF2 (E5-23)Below 1 W
Ignition coil (I7-2) - IGF1 (E5-24)Below 1 W
Ignition coil (I8-2) - IGF2 (E5-23)Below 1 W
Ignition coil (I1-2) or IGF1 (E5-24) -
Body ground10 kW or higher
Ignition coil (I2-2) or IGF2 (E5-23) -
Body ground10 kW or higher
Ignition coil (I3-2) or IGF1 (E5-24) -
Body ground10 kW or higher
Ignition coil (I4-2) or IGF2 (E5-23) -
Body ground10 kW or higher
Ignition coil (I5-2) or IGF1 (E5-24) -
Body ground10 kW or higher
Ignition coil (I6-2) or IGF2 (E5-23) -
Body ground10 kW or higher
Ignition coil (I7-2) or IGF1 (E5-24) -
Body ground10 kW or higher
Ignition coil (I8-2) or IGF2 (E5-23) -
Body ground10 kW or higher
NG Repair or replace harness or connector.
OK
Page 1258 of 3115
A19522A19630
IGF1 IGF2(+) (+) E5
E7
ECM Connector
E1 (-)
- DIAGNOSTICSENGINE
DI-209
402 Author: Date:
2004 LAND CRUISER (RM1071U)
3 Disconnect ignition coil with igniter connector, and check voltage between ter-
minals IGF1, IGF2 and E1 of ECM connector.
PREPARATION:
(a) Disconnect the I1, I2, I3, I4, I5, I6, I7 or I8 ignition coil with
igniter connector.
(b) Turn the ignition switch ON.
CHECK:
Measure the voltage between the E5 and E7 ECM connectors.
OK:
Tester ConnectionSpecified Condition
IGF1 (E5-24) - E1 (E7-1)4.5 to 5.5 V
IGF2 (E5-23) - E1 (E7-1)4.5 to 5.5 V
NG Replace ECM (See page SF-60).
OK
Replace ignition coil with igniter.
Page 1259 of 3115
A21025
Wire Harness Side:
I1
I2
I3I4
I5I6
I7I8
Ignition Coil with Igniter Connector
A21023
E5
IGT8 IGT2
IGT4
IGT5 IGT6
IGT3 IGT7
IGT1
ECM Connector
DI-210
- DIAGNOSTICSENGINE
403 Author: Date:
2004 LAND CRUISER (RM1071U)
4 Check for open and short in harness and connector in IGT signal circuit between
ECM and ignition coil with igniter.
PREPARATION:
(a) Disconnect the I1, I2, I3, I4, I5, I6, I7 or I8 ignition coil con-
nector.
(b) Disconnect the E5 ECM connector.
CHECK:
Check the resistance between the wire harness side connec-
tors.
OK:
Tester ConnectionSpecified Condition
Ignition coil (I1-2) - IGT1 (E5-9)Below 1 W
Ignition coil (I2-2) - IGT2 (E5-8)Below 1 W
Ignition coil (I3-2) - IGT3 (E5-25)Below 1 W
Ignition coil (I4-2) - IGT4 (E5-11)Below 1 W
Ignition coil (I5-2) - IGT5 (E5-12)Below 1 W
Ignition coil (I6-2) - IGT6 (E5-26)Below 1 W
Ignition coil (I7-2) - IGT7 (E5-13)Below 1 W
Ignition coil (I8-2) - IGT8 (E5-10)Below 1 W
Ignition coil (I1-2) or IGT1 (E5-9) -
Body ground10 kW or higher
Ignition coil (I2-2) or IGT2 (E5-8) -
Body ground10 kW or higher
Ignition coil (I3-2) or IGT3 (E5-25) -
Body ground10 kW or higher
Ignition coil (I4-2) or IGT4 (E5-11) -
Body ground10 kW or higher
Ignition coil (I5-2) or IGT5 (E5-12) -
Body ground10 kW or higher
Ignition coil (I6-2) or IGT6 (E5-26) -
Body ground10 kW or higher
Ignition coil (I7-2) or IGT7 (E5-13) -
Body ground10 kW or higher
Ignition coil (I8-2) or IGT8 (E5-10) -
Body ground10 kW or higher
NG Repair or replace harness or connector.
OK
Page 1261 of 3115
A19522A19630
IGT2
IGT3 IGT4
IGT6IGT8
IGT1
IGT7 IGT5(+) (+) (+)
(+) (+)
(+)
(+) (+)
ECM Connector
E7E1 (-)E5
DI-212
- DIAGNOSTICSENGINE
405 Author: Date:
2004 LAND CRUISER (RM1071U)
6 Disconnect ignition coil with igniter connector, and check voltage between ter-
minals IGT1 - IGT8 of ECM connector and body ground.
PREPARATION:
Disconnect the I1, I2, I3, I4, I5, I6, I7 or I8 ignition coil with igniter
connector.
CHECK:
Measure the voltage between terminals the E5 and E7 ECM
connectors when the engine is cranked.
OK:
Tester ConnectionSpecified Condition
IGT1 (E5-9) - E1 (E7-1)
IGT2 (E5-8) - E1 (E7-1)
IGT3 (E5-25) - E1 (E7-1)
IGT4 (E5-11) - E1 (E7-1)45VIGT5 (E5-12) - E1 (E7-1)4.5 V or more
IGT6 (E5-26) - E1 (E7-1)
IGT7 (E5-13) - E1 (E7-1)
IGT8 (E5-10) - E1 (E7-1)
NG Replace ECM (See page SF-60).
OK
Page 1262 of 3115
A21025
Wire Harness Side:
I1
I2
I3I4
I5I6
I7I8Ignition Coil with
Igniter Connector
- DIAGNOSTICSENGINE
DI-213
406 Author: Date:
2004 LAND CRUISER (RM1071U)
7 Check ignition coil with igniter power source circuit.
PREPARATION:
Disconnect the I1, I2, I3, I4, I5, I6, I7 or I8 ignition coil with igniter
connector.
CHECK:
Measure the voltage between the terminal of the wire harness
side connector and body ground.
OK:
Tester ConnectionSpecified Condition
I1-1 - Body ground
I2-1 - Body ground
I3-1 - Body ground
I4-1 - Body ground9t 14VI5-1 - Body ground9 to 14 V
I6-1 - Body ground
I7-1 - Body ground
I8-1 - Body ground
OK Repair ignition coil with igniter.
NG
Page 1263 of 3115
A21025
Wire Harness Side:
I1
I2
I3I4
I5I6
I7I8Ignition Coil with Igniter
1 234
5 678
A21030
Wire Harness Side:
I18
Ignition SwitchIG2
DI-214
- DIAGNOSTICSENGINE
407 Author: Date:
2004 LAND CRUISER (RM1071U)
8 Check for open and short in harness and connector between ignition switch and
ignition coil with igniter.
PREPARATION:
(a) Disconnect the I1, 2, I3, I4, I5, I6, I7 or I8 ignition coil with
igniter connector.
(b) Disconnect the I18 ignition switch connector.
CHECK:
Measure the resistance between the wire harness side connec-
tors.
OK:
Tester ConnectionSpecified Condition
Ignition coil (I1-1) - IG2 (I18-6)Below 1 W
Ignition coil (I2-1) - IG2 (I18-6)Below 1 W
Ignition coil (I3-1) - IG2 (I18-6)Below 1 W
Ignition coil (I4-1) - IG2 (I18-6)Below 1 W
Ignition coil (I5-1) - IG2 (I18-6)Below 1 W
Ignition coil (I6-1) - IG2 (I18-6)Below 1 W
Ignition coil (I7-1) - IG2 (I18-6)Below 1 W
Ignition coil (I8-1) - IG2 (I18-6)Below 1 W
Ignition coil (I1-1) or IG2 (I18-6) -
Body ground10 kW or higher
Ignition coil (I2-1) or IG2 (I18-6) -
Body ground10 kW or higher
Ignition coil (I3-1) or IG2 (I18-6) -
Body ground10 kW or higher
Ignition coil (I4-1) or IG2 (I18-6) -
Body ground10 kW or higher
Ignition coil (I5-1) or IG2 (I18-6) -
Body ground10 kW or higher
Ignition coil (I6-1) or IG2 (I18-6) -
Body ground10 kW or higher
Ignition coil (I7-1) or IG2 (I18-6) -
Body ground10 kW or higher
Ignition coil (I8-1) or IG2 (I18-6) -
Body ground10 kW or higher
NG Repair or replace harness or connector.
OK
Replace ignition coil with igniter.
