DTC Logic
NOTE:
The Signal Tech II Tool (J-50190) can be used to perform the following functions. Refer to the Signal Tech II User Guide for additional information.
DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE
1.PERFORM SELF DIAGNOSTIC RESULT
With CONSULT
Is DTC “C1704”, “C1705”, “C1706”, or “C1707” detected? YES >> Proceed to WT-25, "Diagnosis Procedure".
NO >> Inspection End.
Diagnosis Procedure
NOTE:
The Signal Tech II Tool (J-50190) can be used to perform the following functions. Refer to the Signal Tech II User Guide for additional information.
1.CHECK DATA MONITOR
With CONSULT
| Monitor item | Displayed value |
| AIR PRESS FL | Approximately equal to value indicated on tire gauge for front LH tire |
| AIR PRESS FR | Approximately equal to value indicated on tire gauge for front RH tire |
| Monitor item | Displayed value |
| AIR PRESS RR | Approximately equal to value indicated on tire gauge for rear RH tire |
| AIR PRESS RL | Approximately equal to value indicated on tire gauge for rear LH tire |
Is the inspection result normal? YES >> Inspection End.
NO >> Repair or replace malfunctioning components.
C1708, C1709, C1710, C1711 Transmitter (no data)Service data and specifications (SDS)
Idle speed
*: Under the following conditions
A/C switch: OFF
Electric load: OFF (Lights, heater fan & rear window defogger)
Steering wheel: Kept in straight-ahead position
Ignition timing
*: Under the following conditions
A/C switch: OFF
Electric load: OFF (Lights, hea ...
On board refueling vapor recovery(ORVR)
Component Function Check
1.CHECK ORVR FUNCTION
Check whether the following symptoms are present.
Fuel odor from EVAP canister is strong
Cannot refuel/Fuel odor from the fuel filler opening is strong while
refueling.
Are any symptoms present?
YES >> Proceed to EC-468, "Diagn ...
NISSAN vehicle immobilizer system (if so equipped)
The NISSAN Vehicle Immobilizer System will not
allow the engine to start without the use of a
registered key.
If the engine fails to start using a registered key
(for example, when interference is caused by
another registered key, an automated toll road
device or automatic payment device on ...