|
Q.
Is the check result normal?
|
![](../../../img/13/AK300980AC00ENG.png)
|
Q.
Is the check result normal?
Go to Step 3
.
Repair or
replace.
|
|
- Check ignition coil itself (Refer to GROUP 16
- Ignition System - On-vehicle Service
- Ignition
coil check
).
|
|
Q.
Is the check result normal?
|
![](../../../img/13/AK300980AC00ENG.png)
|
- Disconnect connector, and measure at harness
side.
- Ignition switch: ON
- Voltage between terminal No. 1 and earth.
OK: System voltage
Q.
Is the check result normal?
Go to Step 6
.
Go to Step 5
.
|
![](../../../img/13/AK305894AB00ENG.png)
![](../../../img/13/AK300980AC00ENG.png)
|
Q.
Is the check result normal?
![](../../../buttons/03btn001.png)
Check
intermediate connectors C-18, C-202
and C-205, and repair if necessary. If intermediate
connectors are normal, check and repair
harness between ignition switch connector and ignition
coil connector.
- Check and repair harness between C-307
(terminal
No. 2) ignition switch connector and B-02
(terminal No. 1) No. 1 ignition coil
connector.
- Check and repair harness between C-307
(terminal No. 2) ignition switch connector
and B-03 (terminal No. 1) No. 2 ignition coil
connector.
- Check and repair harness between C-307
(terminal No. 2) ignition switch connector
and B-04 (terminal No. 1) No. 3 ignition coil
connector.
- Check and repair harness between C-307
(terminal No. 2) ignition switch connector
and B-05 (terminal No. 1) No. 4 ignition coil
connector.
- Check power supply line for
open/short circuit.
Repair or
replace.
|
![](../../../img/13/AK300980AC00ENG.png)
|
- Disconnect connector, and measure at harness
side.
- Engine: Cranking
- Voltage between terminal No. 3 and earth.
OK: 0.5 - 4.0 V
Q.
Is the check result normal?
Go to Step
11 .
Go to Step 7
.
|
![](../../../img/13/AK305625AB00ENG.png)
|
Q.
Is the check result normal?
Go to Step 8
.
Repair or
replace.
|
![](../../../img/13/AK305625AB00ENG.png)
![](../../../img/13/AK300980AC00ENG.png)
|
- Measure engine-ECU <M/T> or
engine-A/T-ECU <A/T> terminal
voltage.
- Disconnect B-02, B-03, B-04 and B-05 ignition coil
connectors.
- Engine: Cranking
- Voltage between terminal No. 31 and
earth (No. 1
Ignition coil).
- Voltage between terminal No. 32 and
earth (No. 2 Ignition coil).
- Voltage between terminal No. 35 and
earth (No. 3 Ignition coil).
- Voltage between terminal No. 52 and
earth (No. 4 Ignition coil).
OK: 0.5 - 4.0 V
Q.
Is the check result normal?
![](../../../buttons/03btn001.png)
Check
and repair harness between ignition
coil connector and engine-ECU <M/T>
connector or engine-A/T-ECU <A/T>
connector
- Check and repair harness between B-02
(terminal No.
3) No. 1 ignition coil connector and C-111
(terminal No. 31) engine-ECU <M/T>
or
engine-A/T-ECU <A/T>
connector.
- Check and repair harness between B-03
(terminal No. 3) No. 2 ignition coil connector
and C-111 (terminal No. 32) engine-ECU
<M/T> or engine-A/T-ECU
<A/T> connector.
- Check and repair harness between B-04
(terminal No. 3) No. 3 ignition coil connector
and C-111 (terminal No. 35) engine-ECU
<M/T> or engine-A/T-ECU
<A/T> connector.
- Check and repair harness between B-05
(terminal No. 3) No. 4 ignition coil connector
and C-111 (terminal No. 52) engine-ECU
<M/T> or engine-A/T-ECU
<A/T>
connector.
- Check output line for open
circuit.
Go to Step 9
.
|
![](../../../img/13/AK305625AB00ENG.png)
![](../../../img/13/AK300980AC00ENG.png)
|
- Check and repair harness between B-02
(terminal No.
3) No. 1 ignition coil connector and C-111 (terminal
No. 31) engine-ECU <M/T> or
engine-A/T-ECU <A/T> connector.
- Check and repair harness between B-03
(terminal No. 3) No. 2 ignition coil connector
and C-111 (terminal No. 32) engine-ECU
<M/T> or engine-A/T-ECU
<A/T> connector.
- Check and repair harness between B-04
(terminal No. 3) No. 3 ignition coil connector
and C-111 (terminal No. 35) engine-ECU
<M/T> or engine-A/T-ECU
<A/T> connector.
- Check and repair harness between B-05
(terminal No. 3) No. 4 ignition coil connector
and C-111 (terminal No. 52) engine-ECU
<M/T> or engine-A/T-ECU
<A/T> connector.
- Check output line for short
circuit.
Q.
Is the check result normal?
Go to Step
10 .
Repair.
|
|
Q.
Does trouble symptom persist?
|
|
Replace engine-ECU
<M/T> or engine-A/T-ECU
<A/T>.
|
|
|
|
Intermittent
malfunction (Refer to GROUP 00 - How to Use
Troubleshooting/Inspection
Service Points ).
|
|
|
![](../../../img/13/AK300980AC00ENG.png)
|
- Disconnect connector, and measure at harness
side.
- Resistance between terminal No. 2 and
earth.
OK: 2 Ω or less
Q.
Is the check result normal?
Go to Step
12 .
![](../../../buttons/03btn002.png)
Check
and repair harness between ignition
coil connector and body earth
- Check and repair harness between B-02
(terminal No.
2) No. 1 ignition coil connector and body
earth
- Check and repair harness between B-03
(terminal No. 2) No. 2 ignition coil connector
and body earth
- Check and repair harness between B-04
(terminal No. 2) No. 3 ignition coil connector
and body earth
- Check and repair harness between B-05
(terminal No. 2) No. 4 ignition coil connector
and body earth
- Check earthing line for open
circuit and damage.
|
![](../../../img/13/AK305894AB00ENG.png)
![](../../../img/13/AK300980AC00ENG.png)
|
note |
Before checking harness, check
intermediate connectors C-18, C-202 and C-205,
and repair
if necessary.
|
- Check and repair harness between C-307
(terminal
No. 2) ignition switch connector and B-02 (terminal
No. 1) No. 1 ignition coil connector
- Check and repair harness between C-307
(terminal No. 2) ignition switch connector
and B-03 (terminal No. 1) No. 2 ignition coil
connector
- Check and repair harness between C-307
(terminal No. 2) ignition switch connector
and B-04 (terminal No. 1) No. 3 ignition coil
connector
- Check and repair harness between C-307
(terminal No. 2) ignition switch connector
and B-05 (terminal No. 1) No. 4 ignition coil
connector
- Check power supply line for damage.
Q.
Is the check result normal?
Go to Step
13 .
Repair.
|
![](../../../img/13/AK300980AC00ENG.png)
![](../../../img/13/AK305625AB00ENG.png)
|
- Check and repair harness between B-02
(terminal No.
3) No. 1 ignition coil connector and C-111 (terminal
No. 31) engine-ECU <M/T> or
engine-A/T-ECU <A/T> connector.
- Check and repair harness between B-03
(terminal No. 3) No. 2 ignition coil connector
and C-111 (terminal No. 32) engine-ECU
<M/T> or engine-A/T-ECU
<A/T> connector.
- Check and repair harness between B-04
(terminal No. 3) No. 3 ignition coil connector
and C-111 (terminal No. 35) engine-ECU
<M/T> or engine-A/T-ECU
<A/T> connector.
- Check and repair harness between B-05
(terminal No. 3) No. 4 ignition coil connector
and C-111 (terminal No. 52) engine-ECU
<M/T> or engine-A/T-ECU
<A/T> connector.
- Check output line for damage.
Q.
Is the check result normal?
Go to Step
10 .
Repair.
|