1989 Buick Century "check module" Questions

...module Cut off. If the ignition has no power when the car is OFF, impossible Drain the battery, I recomend check that all the lights went off after you close all the doors. Check the glove box light, ...

...check the resistance between the module and the coil (no power running through the system needed) if the resistance is high then replace the cable between the coil and the module, this could be where ...

87 buick century won't shift out of first The first thing is to check the transmission fluid level, then check the vacuum modulator located out on the side of the transmission, and be certain that the

...Module (PCM) ?€¢ Vehicle Interface Unit (VIU), if equipped The Class 2 serial data link allows a scan tool to communicate with the above modules for diagnostic and testing purposes. Make sure battery ...

...the board so you can't see the relay. If your fan's not working on high, but works on all other speeds check the fuse first because the module'e a pain to get out. Here's a

...module and now it starts every time :) although the computer does not suply power it does controle it and when it sparks so yes check the ecm for quad driver failer it will read a code for it just ...

...check the data pin? The protocol is VPW (Variable Pulse Width). Pin 2 is the data pin. Pin 4 is chassis ground. Pin 5 is signal ground. Pin 16 is positive battery. There are also pins in cavity 9 and ...

...the module slides out. If one of the low fan speed isn't working, most likely one of the resistors has opened up. If the high speed's not working, check the fuse first. Here's a ...

...module especially if all 3 coils are not firing..also if you have an ohmmeter for checking electrical resistance, the spec for the coils are 5000 to7000 ohms, measured between each coil from tower to ...

module be careful that you don`t brake the crank sensor when removing the unit a the sensor gets brittle from the heating and cooling of the motor over time,also the sensor seal gets stuck in the bore