auto diagnostic software

Tips on how to Manually Retrieve the Diagnostic Codes on a 1997 Jeep 1Put the crucial within the ignition, and speedily cycle the key--turning it to the "on" position and after that to the "off" position--three occasions, leaving the crucial in the "on" position within the third cycle. The "on" position is as far because the key will go with no engaging the starter.

The dash lights will illuminate when inside the "on" position.2Watch the "check engine" light. It'll go off on the third cycle to get a moment then flash the codes. The codes are displayed inside a series of flashes followed by a pause between every single quantity, for any total of two numbers. Count the number of flashes until the pause, then count the second series of flashes. Over a single code could be present. A single code consists of two series of flashes and also a pause before the sequence starts once again. If the pc flashes the identical code, twice, that may be the only code.

If it flashes two series, pauses and flashes another two series distinct from the initial, this can be the second code, and so on. A series of two flashes followed by 4 flashes could be a code of 24.3Cross-reference the code with all the code sheet to decipher the meaning. A description are going to be offered as for the nature and element involved Car Diagnostic Tools. As an example, a code 46 might be an oxygen sensor. It'll be shown as "O2 sensor B1-S2-heater inoperative." This means that the oxygen sensor on bank number 1 plus the final sensor, which can be behind the catalytic converter, features a preheater malfunction.

4Repair or replace the component to reset the check-engine light. Some codes can be erased and the check-engine light turned off by disconnecting the unfavorable terminal on the battery for 15 minutes. This having said that auto diagnostic software, will not work for lots of on the codes. A code scanner is necessary to erase successfully the codes. The scanners usually are not pricey and compatible with all vehicles. They'll not merely display the present codes but erase them as well.5Connect the code scanner to the OBDII (On Board Diagnostics II) port towards the left on the steering column and below the dash. Turn the key for the on position and press the button marked "Read" or "Erase" and either might be performed automatically.