Nissan Skyline R34 workshop service manual page 28

text version of content this owner's manual page from owners manual to the vehicle Nissan Skyline, year of production 1998 - 2002:

TROUBLE DIAGNOSES m CONSULT (Cont'd) SELF-DIAGNOSTIC RESULTS MODE When any of the control unit input/output signal circuits fails and the self-diagnostic malfunction detection conditions are satisfied, the malfunctioning circuit is stored in the memory and displayed later. Malfunction is detected when . Malfunction display item Data storage Self-diagnostic test items I I (Yes/No, -. 1" (POS) signal or 120" (REF) signal is not input for pre- Crankshaft position sen- determined time while the engine is running. Crankshaft position sen- sor signal circuit Abnormal correlation is detected between 1" (POS) sig- sor nal and 120" (REF) signal. yes I Mass air flow sensor output voltage is 4.9V or greater for Mass air 'low sensor sig- predetermined time when ignition switch is turned from AT nal circuit OFF to ON, or after the engine is stalled. Mass air flow sensor Mass air flow sensor output voltage is less than 0.3V for I predetermined time while the engine is running. 1 1 mm Engine coolant tempera- Engine coolant temperature sensor output voltage is Engine coolant tempera- 19 L~J ture sensor signal circuit approx. 4.8V or greater (open circuit) or less than 0.06V ture sensor Yes (short circuit) for predetermined time. -- Vehicle speed sensor sig- No vehicle speed signal is input for predetermined time Vehicle speed sensor I Yes ST nal circuit I while the vehicle is beina driven after warm UD. I switch sig- Abnormal correlation is detected between input voltages nal circuit JRB25DETI from the throttle motor sensor and from the motor Motor throttle switch Yes RS throttle switch for predetermined time. ABS-TCS control unit cir- Throttle control unit detects malfunction in the system. cuit [RB25DETJ (Open throttle sensor harness, etc.) ABS-TCS C/U SIGNAL TCS/ABS control unit detects malfunction. lgnition signal circuit No consecutive ignition signal while the engine is run- lgnition switch (Start sig- Yes ning. nal) EL Turbo pressure sensor Turbo pressure sensor output voltage is approx. 4.8V or signal circuit [RB25DETl greater (open circuit) or less than 0.06V (short circuit) for TURBO PRESS SENSOR Yes predetermined time. 8D Engine coolant temperature sensor output voltage is Overheat approx. 0.35V or less (sensor normal) for predetermined OVER HEAT Yes time. Heated oxygen sensor output voltage is approx. 0.2V or Heated oxygen sensor greater and less than approx. 0.4V for predetermined signal circuit time while the vehicle is being driven after warm up. Oxygen sensor Yes Heated oxygen sensor output voltage is approx. 2V or greater for medetermined time. Knock At least one knock sensor indicates the output voltage of cuit approx. 4V or greater (open circuit) or less than approx. Knock sensor Yes 1 V (short circuit). Throttle position sensor output voltage is approx. 4.7V or Throttle position sensor greater (open circuit) or 0.06V or less (short circuit) for Thronle position sensor Yes signal circuit predetermined time while parkheutral position switch is OFF and vehicle s~eed is 4 km/h or hiaher. ABS-TCS communication Malfunction (openlshort circuit, etc.) is detected in multi- ABSrrCS C,u circuit [RB25DETl 1 plex communication line between enaine and TCS/ABS. I Throttle motor sensor sig- Throttle motor sensor input voltage is approx. 4.8V or nal circuit [RB25DET] greater (open circuit) or less than 0.3V or less (short cir- Motor throttle sensor Yes cuitl for redetermined time. Malfunction is detected in A/T communication circuit in ECM (.TCM). (RB2ODE (UB), RB25DET] AiT communication circuit a Malfunction (opedshort circuit, etc.) is detected in multi- A/T COMM LINE Yes plex communication line between ECM and TCM. [RB25DE1 NO SELF DIAGNOSTIC No malfunction No malfunction is detected in all the above circuits. FAILURE INDICATED. FURTHER TESTING MAY BE REQUIRED. Some of the above self-diagnostic test items can cause related malfunctions to be detected in An; throttle control, and ABS self-diagnosis when malfunction is detected. Therefore, malfunctions should also be checked in self-diagnostic tests for systems other than engine.

owners manual Nissan Skyline

owners manual Nissan Skyline - year of production: 1998, 1999, 2000, 2001, 2002 - Nissan Skyline R34 workshop service manual EN