![](../../../img/13/AK305780AB00ENG.png)
|
Q.
Is the check result normal?
Go to Step 2
.
Repair or
replace.
|
![](../../../img/13/AK305780AB00ENG.png)
|
- Disconnect connector, and measure at sensor
side.
- Resistance between terminal No. 1 and No.
3.
OK: 11 - 18 Ω
Q.
Is the check result normal?
Go to Step 3
.
Replace
cylinder 2, 3 oxygen sensor.
|
![](../../../img/13/AK305780AB00ENG.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 5
.
Go to Step 4
.
|
![](../../../img/13/AK300967AC00ENG.png)
![](../../../img/13/AK305780AB00ENG.png)
|
Q.
Is the check result normal?
![](../../../buttons/03btn001.png)
Check
intermediate connector C-116, and repair
if necessary. If intermediate connector is normal, check
and repair harness between B-25 (terminal
No. 1) cylinder 2, 3 oxygen sensor connector and B-15X
(terminal No. 1) engine control relay
connector.
- Check power supply line for open/short
circuit.
Repair or
replace.
|
![](../../../img/13/AK305618AB00ENG.png)
|
- Measure engine-ECU <M/T> or
engine-A/T-ECU <A/T> terminal
voltage.
- Ignition switch: ON
- Voltage between terminal No. 10 and earth.
OK: System voltage
Q.
Is the check result normal?
Go to Step 8
.
Go to Step 6
.
|
![](../../../img/13/AK305618AB00ENG.png)
|
Q.
Is the check result normal?
Go to Step 7
.
Repair or
replace.
|
![](../../../img/13/AK305780AB00ENG.png)
![](../../../img/13/AK305618AB00ENG.png)
|
- Check earthing line for open/short circuit.
Q.
Is the check result normal?
Replace engine-ECU
<M/T> or engine-A/T-ECU
<A/T>.
Repair.
|
![](../../../img/13/AK305618AB00ENG.png)
|
Q.
Is the check result normal?
Go to Step 9
.
Repair or
replace.
|
![](../../../img/13/AK305780AB00ENG.png)
![](../../../img/13/AK300967AC00ENG.png)
|
note |
Before checking harness, check
intermediate connector C-116, and repair if
necessary.
|
- Check power supply line for damage.
Q.
Is the check result normal?
Go to Step
10 .
Repair.
|
![](../../../img/13/AK305780AB00ENG.png)
![](../../../img/13/AK305618AB00ENG.png)
|
- Check earthing line for damage.
Q.
Is the check result normal?
Go to Step
11 .
Repair.
|
|
- Reconfirmation of diagnosis code.
|
|
Q.
Is the diagnosis code?
|
|
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 ).
|
|
|