BASIC INSPECTION
When the malfunction is not confirmed by the DTC check, troubleshooting should be carried out in all circuits considered to be possible causes of the problem. In many cases, by carrying out the basic engine check shown in the following procedure, the location of the problem can be found quickly and efficiently. Therefore, using this check is essential when engine troubleshooting.
1. 1.CHECK BATTERY VOLTAGE
NOTICE:
Carry out this check with the engine stopped and the ignition switch off.
|
Result |
Proceed to |
|---|---|
|
11 V or more |
GO TO STEP 2 |
|
Below 11 V |
CHARGE OR REPLACE BATTERY |
2. 2.CHECK WHETHER ENGINE CRANKS
|
Result |
Proceed to |
|---|---|
|
NG |
PROCEED TO PROBLEM SYMPTOMS TABLE |
|
OK |
GO TO STEP 3 |
3. 3.CHECK WHETHER ENGINE STARTS
|
Result |
Proceed to |
|---|---|
|
NG |
GO TO STEP 6 |
|
OK |
GO TO STEP 4 |
4. 4.CHECK AIR CLEANER FILTER ELEMENT SUB-ASSEMBLY
(a) Visually check that the air cleaner filter element sub-assembly is not excessively contaminated with dirt or oil.
|
Result |
Proceed to |
|---|---|
|
NG |
REPLACE AIR CLEANER FILTER ELEMENT SUB-ASSEMBLY |
|
OK |
GO TO STEP 5 |
5. 5.CHECK IDLE SPEED
|
Result |
Proceed to |
|---|---|
|
NG |
TROUBLESHOOT IDLE SPEED AND PROCEED TO NEXT STEP |
|
OK |
GO TO STEP 6 |
6. 6.CHECK FUEL PRESSURE
|
Result |
Proceed to |
|---|---|
|
NG |
TROUBLESHOOT FUEL PRESSURE AND PROCEED TO NEXT STEP |
|
OK |
GO TO STEP 7 |
7. 7.CHECK FOR SPARK
|
Result |
Proceed to |
|---|---|
|
NG |
TROUBLESHOOT IGNITION SYSTEM AND PROCEED TO NEXT STEP |
|
OK |
PROCEED TO PROBLEM SYMPTOMS TABLE |
System Diagram
Check For Intermittent ProblemsDiagnosis System
DIAGNOSIS SYSTEM
1. DESCRIPTION
(a) When troubleshooting On-Board Diagnostic (OBD II) vehicles, the vehicle must
be connected to the OBD II scan tool (complying with SAE J1987). Various data output
from the vehicle TCM can then be read.
(b) OBD II regul ...
System Description
SYSTEM DESCRIPTION
1. POWER DOOR LOCK CONTROL SYSTEM DESCRIPTION
(a) The power door lock system locks/unlocks all doors.
The door control switch sends "lock/unlock" request signals to the main body
ECU (driver side junction block assembly). Then ...
Diagnosis System
DIAGNOSIS SYSTEM
1. ECUS OR SENSORS WHICH COMMUNICATE THROUGH CAN COMMUNICATION SYSTEM
(a) CAN No. 1 Bus
(1) ECM
(2) Main body ECU (Driver side junction block)
(3) Combination meter
(4) Power steering ECU
(5) Air conditioning amplifier*3
(6) Center air ...