Page 555 of 1306
22 RESET ACCELERATOR POSITION SENSOR IDLE POSITION MEMORY
With CONSULT-II
1. Reconnect all connectors disconnected.
2. Turn ignition switch ªONº.
3. Select ªOFF ACCEL PO SIGº in ªACTIVE TESTº mode with CONSULT-II.
4. Touch ªCLEARº.
cGO TO 24.
23 RESET ACCELERATOR POSITION SENSOR IDLE POSITION MEMORY
Without CONSULT-II
1. Reconnect all connectors disconnected.
2. Start engine and warm it up to normal operating temperature.
3. Let engine idle for 10 minutes.
cGO TO 24.
24 CHECK INTERMITTENT INCIDENT
Refer to ªTROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENTº, EC-3469.
cINSPECTION END
DTC 0403 ACCEL POS SENSORYD25DDTi
Diagnostic Procedure (Cont'd)
EC-3530
Page 556 of 1306

On Board Diagnosis Logic
Malfunction is detected when ... Check Items (Possible Cause)
+An excessively high voltage from the charge air pressure sen-
sor is sent to ECM when engine is running.+Intake air system
+Turbocharger system
+Charge air pressure sensor
+Harness or connectors
(The charge air pressure sensor circuit is shorted.)
DTC Confirmation Procedure
NOTE:
If DTC 0406 ªINT AIR VOLº displayed with DTC 0905
ªTURBO PRESSUREº, perform trouble diagnosis for DTC
0905 ªTURBO PRESSUREº first. (See EC-3601.)
WITH CONSULT-II
1) Turn ignition switch ªONº.
2) Select ªDATA MONITORº mode with CONSULT-II.
3) Start engine and warm it up to normal operating temperature.
4) Drive vehicle.
5) Maintain the engine speed more than 4,000 rpm for at least
10 seconds.
6) If DTC is detected, go to ªDiagnostic Procedureº, EC-3533.
WITHOUT CONSULT-II
1) Start engine and warm it up to normal operating temperature.
2) Drive vehicle.
3) Maintain the engine speed more than 4,000 rpm for at least
10 seconds.
4) Stop vehicle.
5) Turn ignition switch ªOFFº, wait at least 5 seconds and then
turn ªONº.
6) Perform ªDiagnostic Test Mode II (Self-diagnostic results)º
with ECM.
7) If DTC is detected, go to ªDiagnostic Procedureº, EC-3533.SEF817Y
DTC 0406 INT AIR VOLYD25DDTi
EC-3531
Page 560 of 1306

On Board Diagnosis Logic
Malfunction is detected when ... Check Items (Possible Cause)
+An improper signal from the sensor is sent to ECM during
engine running and cranking.+Harness or connectors
(The sensor circuit is open.)
+Crankshaft position sensor (TDC)
DTC Confirmation Procedure
Before performing the following procedure, confirm that
battery voltage is more than 10V.
WITH CONSULT-II
1) Turn ignition switch ªONº and select ªDATA MONITORº
mode with CONSULT-II.
2) Crank engine for at least 1 second.
3) Start engine and run it for at least 2 seconds at idle speed.
4) If DTC is detected, go to ªDiagnostic Procedureº, EC-3538.
WITHOUT CONSULT-II
1) Crank engine for at least 1 second.
2) Start engine and run it for at least 2 seconds at idle speed.
3) Turn ignition switch ªOFFº, wait at least 5 seconds and then
turn ªONº.
4) Perform ªDiagnostic Test Mode II (Self-diagnostic results)º
with ECM.
5) If DTC is detected, go to ªDiagnostic Procedureº, EC-3538.
SEF817Y
DTC 0407 CRANK POS SEN (TDC)YD25DDTi
EC-3535
Page 565 of 1306

On Board Diagnosis Logic
The ECM checks if battery voltage is within the tolerance range for the engine control system.
Malfunction is detected when ... Check Items (Possible Cause)
+An abnormally high voltage from the battery is sent to ECM.+Incorrect jump starting
+Battery
+Alternator
+ECM
DTC Confirmation Procedure
With CONSULT-II
1)Check the following.
+Jumper cables are connected for jump starting.
+Battery or alternator has been replaced.
If the result is ªYesº for one item or more, skip the following steps and go to ªDiagnostic Procedureº,
EC-3541.
2) Check that the positive battery terminal is connected to battery properly. If NG, reconnect it properly.
3) Check that the alternator functions properly. Refer to EL section (ªCHARGING SYSTEMº).
4) Turn ignition switch ªONº and select ªDATA MONITORº mode with CONSULT-II.
5) Wait one minute.
6) If DTC is detected, go to ªDiagnostic Procedureº, EC-3541.
If DTC is not detected, go to next step.
7) Start engine and wait one minute at idle.
8) If DTC is detected, go to ªDiagnostic Procedureº, EC-3541.
Without CONSULT-II
1)Check the following.
+Jumper cables are connected for jump starting.
+Battery or alternator has been replaced.
If the result is ªYesº for one item or more, skip the following steps and go to ªDiagnostic Procedureº,
EC-3541.
2) Check that the positive battery terminal is connected to battery properly. If NG, reconnect it properly.
3) Check that the alternator functions properly. Refer to EL section (ªCHARGING SYSTEMº).
4) Turn ignition switch ªONº and wait one minute.
5) Turn ignition switch ªOFFº, wait 5 seconds and then turn ªONº.
6) Perform ªDiagnostic Test Mode II (Self-diagnostic result)º with ECM.
7) If DTC is detected, go to ªDiagnostic Procedureº, EC-3541.
If DTC is not detected, go to next step.
8) Start engine and wait one minute at idle.
9) Turn ignition switch ªOFFº, wait 5 seconds and then turn ªONº.
10) Perform ªDiagnostic Test Mode II (Self-diagnostic result)º with ECM.
11) If DTC is detected, go to ªDiagnostic Procedureº, EC-3541.
Diagnostic Procedure
1 INSPECTION START
Are jumper cables connected for the jump starting?
Yes or No
YescGO TO 3.
NocGO TO 2.
DTC 0502 BATTERY VOLTAGEYD25DDTi
EC-3540
Page 569 of 1306

On Board Diagnosis Logic
Malfunction is detected when .... Check Items (Possible cause)
+An improper voltage signal from cam position sensor (Built-
into electronic control fuel injection pump) is sent to injection
pump control unit.+Harness or connectors
(Electronic control fuel injection pump circuit is open or
shorted.)
+Electronic control fuel injection pump
DTC Confirmation Procedure
WITH CONSULT-II
1) Turn ignition switch ªONº and wait at least 2 seconds.
2) Select ªDATA MONITORº mode with CONSULT-II.
3) Start engine and run it for at least 2 seconds at idle speed.
(If engine does not run, turn ignition switch to ªSTARTº for at
least 2 seconds.)
4) If DTC is detected, go to ªDiagnostic Procedureº, EC-3548.
WITHOUT CONSULT-II
1) Turn ignition switch ªONº and wait at least 2 seconds.
2) Start engine and run it for at least 2 seconds at idle speed.
(If engine does not run, turn ignition switch to ªSTARTº for at
least 2 seconds.)
3) Turn ignition switch ªOFFº, wait at least 5 seconds and then
turn ªONº.
4) Perform ªDiagnostic Test Mode II (Self-diagnostic results)º
with ECM.
5) If DTC is detected, go to ªDiagnostic Procedureº, EC-3548.
SEF817Y
DTC 0701 P1zCAM POS SENYD25DDTi
EC-3544
Page 576 of 1306
DTC Confirmation Procedure
WITH CONSULT-II
1) Turn ignition switch ªONº and wait at least 2 seconds.
2) Select ªDATA MONITORº mode with CONSULT-II.
3) Start engine and run it for at least 2 seconds at idle speed.
(If engine does not run, turn ignition switch to ªSTARTº for at
least 2 seconds.)
4) If DTC 0407 is detected, go to ªDiagnostic procedureº,
EC-3537.
If DTC 0702 is detected, go to ªDiagnostic Procedureº,
EC-3555.
WITHOUT CONSULT-II
1) Turn ignition switch ªONº and wait at least 2 seconds.
2) Start engine and run it for at least 2 seconds at idle speed.
(If engine does not run, turn ignition switch to ªSTARTº for at
least 2 seconds.)
3) Turn ignition switch ªOFFº, wait at least 5 seconds and then
turn ªONº.
4) Perform ªDiagnostic Test Mode II (Self-diagnostic results)º
with ECM.
5) If DTC 0407 is detected, go to ªDiagnostic Procedureº,
EC-3537.
If DTC 0702 is detected, go to ªDiagnostic Procedureº,
EC-3555.
SEF817Y
DTC 0702 P2zTDC PULSE SIGYD25DDTi
EC-3551
Page 583 of 1306
DTC Confirmation Procedure
WITH CONSULT-II
1) Turn ignition switch ªONº and wait at least 2 seconds.
2) Select ªDATA MONITORº mode with CONSULT-II.
3) Start engine and run it for at least 2 seconds at idle speed.
(If engine does not run, turn ignition switch to ªSTARTº for at
least 2 seconds.)
4) If DTC is detected, go to ªDiagnostic Procedureº, EC-3562.
WITHOUT CONSULT-II
1) Turn ignition switch ªONº and wait at least 2 seconds.
2) Start engine and run it for at least 2 seconds at idle speed.
(If engine does not run, turn ignition switch to ªSTARTº for at
least 2 seconds.)
3) Turn ignition switch ªOFFº, wait at least 5 seconds and then
turn ªONº.
4) Perform ªDiagnostic Test Mode II (Self-diagnostic results)º
with ECM.
5) If DTC is detected, go to ªDiagnostic Procedureº, EC-3562.
SEF817Y
DTC 0703 P3zPUMP COMM LINEYD25DDTi
EC-3558
Page 590 of 1306
DTC Confirmation Procedure
WITH CONSULT-II
1) Turn ignition switch ªONº and wait at least 2 seconds.
2) Select ªDATA MONITORº mode with CONSULT-II.
3) Start engine and run it for at least 2 seconds at idle speed.
(If engine does not run, turn ignition switch to ªSTARTº for at
least 2 seconds.)
4) If DTC is detected, go to ªDiagnostic Procedureº, EC-3569.
WITHOUT CONSULT-II
1) Turn ignition switch ªONº and wait at least 2 seconds.
2) Start engine and run it for at least 2 seconds at idle speed.
(If engine does not run, turn ignition switch to ªSTARTº for at
least 2 seconds.)
3) Turn ignition switch ªOFFº, wait at least 5 seconds and then
turn ªONº.
4) Perform ªDiagnostic Test Mode II (Self-diagnostic results)º
with ECM.
5) If DTC is detected, go to ªDiagnostic Procedureº, EC-3569.
SEF817Y
DTC 0704 P4zSPILL/V CIRC, DTC 0706 P6zSPILL VALVEYD25DDTi
EC-3565