Nissan Skyline R34 workshop service manual page 25

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

TROUBLE DIAGNOSES Self-diagnosis (Cont'd) SELF-DIAGNOSTIC INDICATION ITEMS DTC No. Self-diagnostic test items Malfunction (DTC No.) indication conditions (Malfunction is detected when .) MIL indication lo (POS) signal or 120" (REF) signal is not input for predetermined time ,, Crankshaft position sen- while the engine is running. - sor signal circuit Abnohal correlation is detected between 1" (POS) signal and 120" (REF) sianal. " Mass air flow sensor output voltage is 4.9V or greater for predetermined Mass air flow sensor time when ignition switch is turned from OFF to ON, or after the engine is l2 signal circuit stalled. MIL lights up. Mass air flow sensor output voltage is less than 0.3V for predetermined I time while the engine is running. I Engine coo'ant tempera- Engine coolant temperature sensor output voltage is approx. 4.8V or ture sensor signal circuit greater (open circuit) or less than 0.06V (short circuit) for predetermined MIL lights up. time- - -- 14 Vehicle speed sensor No vehicle speed signal is input for predetermined time while the vehicle is MIL lights up. signal circuit being driven after warm up. Motor throttle switch sig- Abnormal correlation is detected between input voltages from the throttle - nal circuit [RB25DET] motor sensor and from the motor throttle switch for predetermined time. ABS-TCS control unit Throttle control unit detects malfunction in the system. (Open throttle sen- circuit JRB25DEl-l sor harness, etc.) TCS/ABS control unit detects malfunction. 1 - I Ignition signal circuit No consecutive ignition signal while the engine is running. MIL lights up. Turbo pressure sensor Turbo pressure sensor output voltage is approx. 4.8V or greater (open cir- lights up. signal circuit [RB25DET] cuit) or less than 0.06V (short circuit) for predetermined time. Overheat Engine coolant temperature sensor output voltage is approx. 0.35V or less MIL lights up. (sensor normal) for predetermined time. a Heated oxygen sensor output voltage is approx. 0.2V or greater and less Heated oxygen sensor than approx. 0.4V for predetermined time while the vehicle is being driven signal circuit aner warm up. MIL lights up. Heated oxygen sensor output voltage is approx. 2V or greater for predeter- I 1 mined time. I I Knock sensor signal cir- I a At least one knock sensor indicates the output voltage of approx. 4V or - cuit greater (open circuit) or less than approx. 1V (short circuit). Throttle position sensor Throttle position sensor output voltage is approx. 4.7V or greater (open cir- MIL liqhts up. signal circuit cuit) or less than 0.06V (short circuit) for predetermined time while ark/ - neutral position switch is OFF and vehicle speed is 4 kdh or higher. ABS-TCS communica- a Malfunction (openlshort circuit, etc.) is detected in multiplex communication - tion circuit [RB25DET] line between enaine and TCWABS. Throttle motor sensor a Throttle motor sensor input voltage is approx. 418~or greater (open circuit) MIL lights up. signal circuit [RB25DET] or less than 0.3V (short circuit) for predetermined time. I Malfunction is detected in PA communication circuit in ECM (-TCM). Afr communication cir- [RBZODE (UB), RB25Dm cuit a Malfunction (open circuit, short circuit, etc.) is detected in multiplex commu- nication line between ECM and TCM. [RB25DE1 NQ malfunction No malfunction is detected in all the above circuits. I - - -- Some of the above ~elfaia~nostic test items can cause related malfunctions to be detected in M, throttle control, and ABS seif-diagnosis when malfunction is detected. Therefore, malfunctions should also be checked in self-diagnostic tests for systems other than engine. CONDITIONS TO TURN OFF MALFUNCTION INDICATOR LAMP Vehicle speed sensor signal circuit: Correct the sensor signal, then drive the vehicle at 4 km/h or higher. Overheat: Check for causes of overheat, then erase self-diagnostic results. Other items: Malfunction indicator lamp turns OFF when the vehicle returned to normal condition. HOW TO ERASE SELF-DIAGNOSTIC RESULTS In Diagnostic Test Mode II, with the engine stopped (ignition switch ON), connect terminals "CHK" and "IGFP on the data link connector for 2 or more seconds with a suitable harness, then disconnect them.

owners manual Nissan Skyline

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