.
a. Item 14: Throttle position sensor
Q: Is the check result normal?
YES :
Go to Step 3 .
NO :
Check throttle position sensor system
(Refer to Code No. P0120
3
13A
).
STEP 3. MUT-II data list
Item 45: Idle speed control servo position
OK: Idle speed control servo drops to 0
-
2
Steps at deceleration (engine at 1,000 r/min
or higher).
Q: Is the check result normal?
YES :
Go to Step 4 .
NO :
Check idle speed control servo system
(Refer to Code No. P0505
3
13A
).
STEP 4. Check EGR control solenoid valve itself.
Check EGR control solenoid valve itself [Refer to
GROUP 17
-
Emission Control System
-
Exhaust Gas Recirculation (EGR) System
3
17
].
Q: Is the check result normal?
YES :
Go to Step 5 .
NO :
Replace EGR control solenoid valve.
STEP 5. Check EGR valve itself.
Check EGR valve itself [Refer to GROUP 17
-
Emission Control System
-
Exhaust Gas Recir-
culation (EGR) System
3
17
].
Q: Is the check result normal?
YES :
Go to Step 6 .
NO :
Replace EGR valve.
STEP 6. Check throttle body (throttle valve
portion) for contamination.
Q: Is the check result normal?
YES :
Go to Step 7 .
NO :
Clean throttle body (throttle valve portion)
(Refer to
3
13A
).
STEP 7. Connector check: B-110 and B-111
ignition coil connectors
Q: Is the check result normal?
YES :
Go to Step 8 .
NO :
Repair.
STEP 8. Check ignition coil spark.
Q: Is the check result normal?
YES :
Replace engine-ECU.
NO :
Go to Step 9 .
STEP 9. Check spark plug.
Q: Is the check result normal?
YES :
Go to Step 10 .
NO :
Replace spark plug.
AK300308
1
2
3
AB
Harness side
connector
B-111 (GR)
B-110 (GR)
Connector: B-110, B-111