German Volkswagen: German Volkswagen cars equipped with the Motronic system Santana, Passat, Audi, Jetta and other cars, fault code retrieval generally use a dedicated fault diagnostic instrument V. A. G1551 or from V. A. G1552 and dedicated transmission lines. The operation method of the Volkswagen car system using a dedicated diagnostic instrument to retrieve and clear fault codes is basically the same. Before operating, check that the battery voltage must be greater than 11.5V, and the operating temperature of the engine must be higher than 80°C.
Nissan Motors Japan: If there is a fault indicator "CHECKENGINE" on the instrument panel, fault codes can be retrieved by shorting the corresponding terminals on the diagnostic socket. Nissan's fault diagnosis socket is located in the fuse box above the engine cover support rod. Inside, there are 12 terminals and 14 terminals. To retrieve the fault code, first turn on the ignition switch, then remove the 12-terminal or 14-terminal diagnostic socket, and short-circuit the “6#†and “7#†terminals on the diagnostic socket with a jumper. (14-terminal diagnostic socket) or "4#" and "5#" terminals (12-terminal diagnostic socket). After 2 seconds, disconnect the wire and the "CHECKENGINE" lamp on the instrument panel will flash to output the fault code. Only one fault code can be output for each operation, and the above operation must be repeated when there are multiple fault codes. When clearing the fault code, short the two terminals on the upper right side of the diagnosis seat for more than 15 seconds, and then turn off the ignition switch to clear the fault code.
Nissan Motors Japan: If there is a fault indicator "CHECKENGINE" on the instrument panel, fault codes can be retrieved by shorting the corresponding terminals on the diagnostic socket. Nissan's fault diagnosis socket is located in the fuse box above the engine cover support rod. Inside, there are 12 terminals and 14 terminals. To retrieve the fault code, first turn on the ignition switch, then remove the 12-terminal or 14-terminal diagnostic socket, and short-circuit the “6#†and “7#†terminals on the diagnostic socket with a jumper. (14-terminal diagnostic socket) or "4#" and "5#" terminals (12-terminal diagnostic socket). After 2 seconds, disconnect the wire and the "CHECKENGINE" lamp on the instrument panel will flash to output the fault code. Only one fault code can be output for each operation, and the above operation must be repeated when there are multiple fault codes. When clearing the fault code, short the two terminals on the upper right side of the diagnosis seat for more than 15 seconds, and then turn off the ignition switch to clear the fault code.
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