![]() ![]() The communications protocal thru this wire channel has more than one language. BMW Ista-D Ista-P Windows 7/8/10 Download + How to install PSA Diagbox 9.Pin 2 - J1850 Bus+ Pin 4 - Chassis Ground Pin 5 - Signal Ground Pin 6 - CAN High (J-2284) Pin 7 - ISO 9141-2 K Line Pin 10 - J1850 Bus Pin 14 - CAN Low (J-2284) Pin 15 - ISO 9141-2 L Line ![]() For most 2000 and newer vehicles, you will need a code reader to read check engine fault codes. Open or Short in IGF or IGT circuit from the igniter to ECM. Obd1 code 14 toyota A quick test for the coolant temperature sensor circuit from the ECM would be to unplug the temp sensor and watch the coolant sensor reading on the scan tool while jumping the harness side of the sensor connector.
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