![](../../../img/13/AK305846AB00ENG.png)
|
Q.
Is the check result normal?
Go to Step 2
.
Repair or
replace.
|
|
- Check EGR valve itself [Refer to GROUP 17
- Emission Control System - Exhaust Gas
Recirculation (EGR) System - EGR Valve
(stepper motor) Check
.
|
|
Q.
Is the check result normal?
|
|
Replace EGR valve
(stepper motor).
|
|
|
![](../../../img/13/AK305846AB00ENG.png)
|
- Disconnect connector, and measure at harness
side.
- Ignition switch: ON
- Voltage between terminal No. 2, No. 5 and
earth.
OK: System voltage
Q.
Is the check result normal?
Go to Step 5
.
Go to Step 4
.
|
![](../../../img/13/AK305832AB00ENG.png)
![](../../../img/13/AK305846AB00ENG.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-103 (terminal No. 2, No. 5) EGR valve
connector and B-15X (terminal No. 1) engine control
relay connector.
- Check power supply line for open/short
circuit.
Repair or
replace.
|
![](../../../img/13/AK305836AB00ENG.png)
|
- Disconnect connector, and measure at harness
side.
- Ignition switch: ON
- Voltage between terminal No. 3, No. 12, No. 19, No.
26 and earth.
OK: System voltage
Q.
Is the check result normal?
Go to Step 7
.
Go to Step 6
.
|
![](../../../img/13/AK305836AB00ENG.png)
![](../../../img/13/AK305846AB00ENG.png)
|
Q.
Is the check result normal?
![](../../../buttons/03btn001.png)
Check
and repair harness between B-103 EGR valve and C-110
engine-A/T-ECU connector
- Check harness between B-103 (terminal
No. 1) EGR valve and C-110 (terminal No. 3)
engine-A/T-ECU connector
- Check harness between B-103 (terminal
No. 3) EGR valve and C-110 (terminal No. 12)
engine-A/T-ECU connector
- Check harness between B-103 (terminal
No. 4) EGR valve and C-110 (terminal No. 19)
engine-A/T-ECU connector
- Check harness between B-103 (terminal
No. 6) EGR valve and C-110 (terminal No. 26)
engine-A/T-ECU connector
- Check power supply line for open/short
circuit.
Repair or
replace.
|
![](../../../img/13/AK305836AB00ENG.png)
|
Q.
Is the check result normal?
Go to Step 8
.
Repair or
replace.
|
![](../../../img/13/AK305846AB00ENG.png)
![](../../../img/13/AK305836AB00ENG.png)
|
- Check harness between B-103 (terminal No.
1) EGR valve and C-110 (terminal No. 3)
engine-A/T-ECU connector
- Check harness between B-103 (terminal No.
3) EGR valve and C-110 (terminal No. 12)
engine-A/T-ECU connector
- Check harness between B-103 (terminal No.
4) EGR valve and C-110 (terminal No. 19)
engine-A/T-ECU connector
- Check harness between B-103 (terminal No.
6) EGR valve and C-110 (terminal No. 26)
engine-A/T-ECU connector
- Check output line for damage.
Q.
Is the check result normal?
Go to Step 9
.
Repair.
|
![](../../../img/13/AK305846AB00ENG.png)
![](../../../img/13/AK305832AB00ENG.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?
Replace
engine-A/T-ECU.
Repair.
|