Toyota FJ Cruiser (GSJ 10, 15 series). Manual — part 64
1GR-FE ENGINE CONTROL SYSTEM – SFI SYSTEM
ES–211
ES
(a) Disconnect the ignition coil connector.
(b) Turn the ignition switch ON.
(c) Measure the voltage between the terminals of the B1
and B3 ECM connectors.
Standard Voltage
(d) Reconnect the ignition coil connector.
NG
OK
(a) Disconnect the B5, B6, B7, B20, B23 or B24 ignition coil
with igniter connector.
(b) Disconnect the B1 ECM connector.
(c) Check the resistance.
Standard Resistance (Check for open)
Standard Resistance (Check for short)
(d) Reconnect the ECM connector.
(e) Reconnect the ignition coil with igniter connector.
3
INSPECT ECM (IGF1 VOLTAGE)
IGF1 (+)
ECM Connector
B1
B3
E1 (-)
A115970E11
Tester Connection
Specified Condition
IGF1 (B1-24) - E1 (B3-1)
4.5 to 5.5 V
REPLACE ECM (See page
REPLACE IGNITION COIL ASSEMBLY
4
CHECK HARNESS AND CONNECTOR (IGNITION COIL ASSEMBLY - ECM (IGT SIGNAL
TERMINAL))
B1
Front View
ECM Connector
Wire Harness Side:
IGT5
Ignition Coil with Igniter Connector
B5
B6
B7 B20 B23 B24
IGT1 to IGT6
IGT3
IGT1
IGT2
IGT4
IGT6
A116293E06
Tester Connections
Specified Conditions
IGT1 (B7-3) - IGT1 (B1-8)
Below 1
Ω
IGT2 (B24-3) - IGT2 (B1-9)
IGT3 (B6-3) - IGT3 (B1-10)
IGT4 (B23-3) - IGT4 (B1-11)
IGT5 (B5-3) - IGT5 (B1-12)
IGT6 (B20-3) - IGT6 (B1-13)
Tester Connections
Specified Conditions
IGT1 (B7-3) or IGT1 (B1-8) - Body ground
10 k
Ω or higher
IGT2 (B24-3) or IGT2 (B1-9) - Body ground
IGT3 (B6-3) or IGT3 (B1-10) - Body ground
IGT4 (B23-3) or IGT4 (B1-11) - Body ground
IGT5 (B5-3) or IGT5 (B1-12) - Body ground
IGT6 (B20-3) or IGT6 (B1-13) - Body ground
ES–212
1GR-FE ENGINE CONTROL SYSTEM – SFI SYSTEM
ES
NG
OK
(a) Turn the ignition switch ON.
(b) Measure the voltage between the terminals of the B1
and B3 ECM connectors.
Standard Voltage
NG
OK
(a) Disconnect the B5, B6, B7, B20, B23 or B24 ignition coil
connector.
(b) Turn the ignition switch ON.
(c) Measure the voltage between the terminals of the B1
and B3 ECM connectors.
Standard Voltage
(d) Reconnect the ignition coil connector.
NG
OK
REPAIR OR REPLACE HARNESS OR
CONNECTOR
5
INSPECT ECM (IGT1, IGT2, IGT3, IGT4, IGT5, OR IGT6 VOLTAGE)
IGT6 (+)
ECM Connector
B1
B3
E1 (-)
IGT5 (+)
IGT4 (+)
IGT3 (+)
IGT2 (+)
IGT1 (+)
A115970E12
Tester Connections
Specified Conditions
IGT1 (B1-8) - E1 (B3-1)
0.1 to 4.5 V
IGT2 (B1-9) - E1 (B3-1)
IGT3 (B1-10) - E1 (B3-1)
IGT4 (B1-11) - E1 (B3-1)
IGT5 (B1-12) - E1 (B3-1)
IGT6 (B1-13) - E1 (B3-1)
REPLACE ECM (See page
)
6
INSPECT ECM (IGT1, IGT2, IGT3, IGT4, IGT5, OR IGT6 VOLTAGE)
B1
ECM Connector
Wire Harness Side:
IGT2 (+)
Ignition Coil with Igniter Connector
B5 B6 B7 B20 B23 B24
B3
IGT1 (+)
E1 (-)
IGT6 (+)
IGT5 (+)IGT4 (+)IGT3 (+)
A116294E02
Tester Connections
Specified Conditions
IGT1 (B1-8) - E1 (B3-1)
4.5 V or more
IGT2 (B1-9) - E1 (B3-1)
IGT3 (B1-10) - E1 (B3-1)
IGT4 (B1-11) - E1 (B3-1)
IGT5 (B1-12) - E1 (B3-1)
IGT6 (B1-13) - E1 (B3-1)
Go to step 8
1GR-FE ENGINE CONTROL SYSTEM – SFI SYSTEM
ES–213
ES
(a) Disconnect the B5, B6, B7, B20, B23 or B24 ignition coil
with igniter connector.
(b) Check the resistance.
Standard Resistance (Check for open)
(c) Turn the ignition switch ON.
(d) Measure the voltage between the terminals of the wire
harness side connector.
Standard Voltage
(e) Reconnect the ignition coil with igniter connector.
OK
NG
7
INSPECT IGNITION COIL ASSEMBLY (POWER SOURCE)
Wire Harness Side:
Ignition Coil with Igniter Connector
Front View
+B (+)
GND (-)
B5
B6
B7
B20 B23 B24
A115969E03
Tester Connections
Specified Conditions
GND (B7-4) - Body ground
Below 1
Ω
GND (B24-4) - Body ground
GND (B6-4) - Body ground
GND (B23-4) - Body ground
GND (B5-4) - Body ground
GND (B20-4) - Body ground
Tester Connections
Specified Conditions
+B (B7-1) - GND (B7-4)
11 to 14 V
+B (B24-1) - GND (B24-4)
+B (B6-1) - GND (B6-4)
+B (B23-1) - GND (B23-4)
+B (B5-1) - GND (B5-4)
+B (B20-1) - GND (B20-4)
REPLACE IGNITION COIL ASSEMBLY
ES–214
1GR-FE ENGINE CONTROL SYSTEM – SFI SYSTEM
ES
(a) Disconnect the B5, B6, B7, B20, B23 or B24 ignition coil
with igniter connector.
(b) Disconnect the A1 ignition switch connector.
(c) Check the resistance.
Standard Resistance (Check for open)
Standard Resistance (Check for short)
(d) Reconnect the ignition coil with igniter connector.
(e) Reconnect the ignition switch connector.
NG
OK
8
CHECK HARNESS AND CONNECTOR (IGNITION COIL ASSEMBLY - IGNITION SWITCH)
A1
Front View
Wire Harness Side:
+B
IG2
Ignition Coil with Igniter Connector
B5
B6 B7 B20 B23 B24
Front View
Ignition Switch Connector
A116295E04
Tester Connections
Specified Conditions
+B (B7-1) - IG2 (A1-6)
Below 1
Ω
+B (B24-1) - IG2 (A1-6)
+B (B6-1) - IG2 (A1-6)
+B (B23-1) - IG2 (A1-6)
+B (B5-1) - IG2 (A1-6)
+B (B20-1) - IG2 (A1-6)
Tester Connections
Specified Conditions
+B (B7-1) or IG2 (A1-6) - Body ground
10 k
Ω or higher
+B (B24-1) or IG2 (A1-6) - Body ground
+B (B6-1) or IG2 (A1-6) - Body ground
+B (B23-1) or IG2 (A1-6) - Body ground
+B (B5-1) or IG2 (A1-6) - Body ground
+B (B20-1) or IG2 (A1-6) - Body ground
REPAIR OR REPLACE HARNESS OR
CONNECTOR
REPLACE IGNITION COIL ASSEMBLY
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