NANO

302 ENGINE 273 MPFI BLINK CODE Blink code is a symbolic representation of a recorded fault; it is displayed by blinking the MIL in the instrument panel. It is a crude method and is used where TML diagnostic tool is not available. Sensors fault diagnosis: Make sure that the ignition key is in ON and engine is not cranked, i.e. RPM=0. Then Insert Short link into the OBD connector located under the steering column. After 7 seconds ECU recognizes for blink request and blinks as per table 1: Blink code details. Short link: The short link will short the pins of two pole connector - one is K-line and other is Ground. On shorting these pins ECU recognizes the blink code request and activates the blink code. Blink Code Representation: The ON/OFF pulse of the MIL for fault codes combinations: 1. No fault recorded in ECU: 0.5 sec ON followed by 0.5 sec OFF in cyclic way. Note: Do not short the pins at OBD connector 2. One fault code is logged in ECU: Each big pulse (1.2 sec) represents 10 counts and small pulse (0.16 sec) represents 1 count. Blink code 22 is represented by 1.2 sec ON then 0.32 OFF and then 1.2 sec ON then 0.32 OFF then 0.16 sec ON then 0.32 OFF then 0.16 sec ON followed by 1.8 second inter blink code gap after that the same sequence is repeated again. The same pattern repeats as shown. 3. Multiple fault codes are logged in ECU: Example: Two fault codes 11 and 21 are logged. OBD / Diagnostic Connector Location: The OBD connector / 16 pin connector / short link coupler / test switch is located on the relay panel, which is mounted onA-pillar