Toyota Sequoia (2005). Manual — part 106
A21025
Wire Harness Side:
I1
I2
I3
I4
I5
I6
I7
I8
Ignition Coil with Igniter Connector
B17412
E8
IGF2
IGF1
ECM Connector
–
DIAGNOSTICS
ENGINE
DI–227
421
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 with
igniter connector.
(b)
Disconnect the E8 ECM connector.
CHECK:
Check the resistance between the wire harness side connec-
tors.
OK:
Standard:
Tester Connection
Specified Condition
Ignition coil (I1–2) – IGF1 (E8–24)
Below 1
Ω
Ignition coil (I2–2) – IGF2 (E8–25)
Below 1
Ω
Ignition coil (I3–2) – IGF1 (E8–24)
Below 1
Ω
Ignition coil (I4–2) – IGF2 (E8–25)
Below 1
Ω
Ignition coil (I5–2) – IGF1 (E8–24)
Below 1
Ω
Ignition coil (I6–2) – IGF2 (E8–25)
Below 1
Ω
Ignition coil (I7–2) – IGF1 (E8–24)
Below 1
Ω
Ignition coil (I8–2) – IGF2 (E8–25)
Below 1
Ω
Ignition coil (I1–2) or IGF1 (E8–24) –
Body ground
10 k
Ω
or higher
Ignition coil (I2–2) or IGF2 (E8–25) –
Body ground
10 k
Ω
or higher
Ignition coil (I3–2) or IGF1 (E8–24) –
Body ground
10 k
Ω
or higher
Ignition coil (I4–2) or IGF2 (E8–25) –
Body ground
10 k
Ω
or higher
Ignition coil (I5–2) or IGF1 (E8–24) –
Body ground
10 k
Ω
or higher
Ignition coil (I6–2) or IGF2 (E8–25) –
Body ground
10 k
Ω
or higher
Ignition coil (I7–2) or IGF1 (E8–24) –
Body ground
10 k
Ω
or higher
Ignition coil (I8–2) or IGF2 (E8–25) –
Body ground
10 k
Ω
or higher
NG
Repair or replace harness or connector.
OK
B17411
IGF1
IGF2 (+)
(+)
E8
E6
E1 (–)
DI–228
–
DIAGNOSTICS
ENGINE
422
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 E8 and E6 ECM connectors.
OK:
Standard:
Tester Connection
Specified Condition
IGF1 (E8–24) – E1 (E6–1)
4.5 to 5.5 V
IGF2 (E8–25) – E1 (E6–1)
4.5 to 5.5 V
NG
Replace ECM (See page
OK
Replace ignition coil with igniter.
A21025
Wire Harness Side:
I1
I2
I3
I4
I5
I6
I7
I8
Ignition Coil with Igniter Connector
B17412
E8
IGT8
IGT2
IGT4
IGT5
IGT6
IGT3
IGT7
IGT1
ECM Connector
–
DIAGNOSTICS
ENGINE
DI–229
423
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 with ig-
niter coil connector.
(b)
Disconnect the E8 ECM connector.
CHECK:
Check the resistance between the wire harness side connec-
tors.
OK:
Standard:
Tester Connection
Specified Condition
Ignition coil (I1–2) – IGT1 (E8–8)
Below 1
Ω
Ignition coil (I2–2) – IGT2 (E8–15)
Below 1
Ω
Ignition coil (I3–2) – IGT3 (E8–11)
Below 1
Ω
Ignition coil (I4–2) – IGT4 (E8–10)
Below 1
Ω
Ignition coil (I5–2) – IGT5 (E8–13)
Below 1
Ω
Ignition coil (I6–2) – IGT6 (E8–12)
Below 1
Ω
Ignition coil (I7–2) – IGT7 (E8–14)
Below 1
Ω
Ignition coil (I8–2) – IGT8 (E8–9)
Below 1
Ω
Ignition coil (I1–2) or IGT1 (E8–8) –
Body ground
10 k
Ω
or higher
Ignition coil (I2–2) or IGT2 (E8–15) –
Body ground
10 k
Ω
or higher
Ignition coil (I3–2) or IGT3 (E8–11) –
Body ground
10 k
Ω
or higher
Ignition coil (I4–2) or IGT4 (E8–10) –
Body ground
10 k
Ω
or higher
Ignition coil (I5–2) or IGT5 (E8–13) –
Body ground
10 k
Ω
or higher
Ignition coil (I6–2) or IGT6 (E8–12) –
Body ground
10 k
Ω
or higher
Ignition coil (I7–2) or IGT7 (E8–14) –
Body ground
10 k
Ω
or higher
Ignition coil (I8–2) or IGT8 (E8–9) –
Body ground
10 k
Ω
or higher
NG
Repair or replace harness or connector.
OK
B17411
E8
IGT8
IGT2
IGT4
IGT5
IGT6
IGT3
IGT7
IGT1
E1
(+)
(–)
(+)
(+)
(+)
(+)
(+)
(+)
(+)
E6
DI–230
–
DIAGNOSTICS
ENGINE
424
5
Check voltage between terminals IGT1 – IGT8 and E1 of ECM connector.
PREPARATION:
Turn the ignition switch to ON.
CHECK:
Measure the voltage between terminals the E8 and E6 ECM
connectors when the engine is cranked.
OK:
Standard:
Tester Connection
Specified Condition
IGT1 (E8–8) – E1 (E6–1)
More than 0.1 V or less than 4.5 V
IGT2 (E8–15) – E1 (E6–1)
More than 0.1 V or less than 4.5 V
IGT3 (E8–11) – E1 (E6–1)
More than 0.1 V or less than 4.5 V
IGT4 (E8–10) – E1 (E6–1)
More than 0.1 V or less than 4.5 V
IGT5 (E8–13) – E1 (E6–1)
More than 0.1 V or less than 4.5 V
IGT6 (E8–12) – E1 (E6–1)
More than 0.1 V or less than 4.5 V
IGT7 (E8–14) – E1 (E6–1)
More than 0.1 V or less than 4.5 V
IGT8 (E8–9) – E1 (E6–1)
More than 0.1 V or less than 4.5 V
NG
Replace ECM (See page
OK
Нет комментариевНе стесняйтесь поделиться с нами вашим ценным мнением.
Текст