Auto Service Professional

APR 2018

Magazine for the auto service professional

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12 | ASP April 2018 Technical position, then swivel the white lever away and disconnect the connector. e smaller connectors are color coded (colors indicated on both the TIPM housing and on each con- nector), so there's no need to mark them for position. Using a 13 mm socket, remove the power cable from the housing. Remove the old TIPM. NOTE: e large connector (with white lever lock) at the front of the unit's underside is some- what difficult to access due to the short wiring harness (not much room to pull the unit up for easy access). e reman TIPM is ready to go out of the box, with all fuses already in place. Install all connectors, making sure to push the red locks on the large connectors into the locking position and swivel the white lock levers into their locked positions. Once all connections have been achieved, fully install the TIPM (it snaps into place). Connect the negative battery terminal, being careful to avoid sparking. Before attempting to start the engine, a brief initialization is required. Turn the ignition switch to the RUN position and wait 12 seconds. is allows the TIPM to collect the necessary vehicle configuration and VIN data from the CCN and PCM. After 12 seconds, turn the ignition switch to the OFF position. Next, turn the ignition switch to the ON position and verify system operation (lights, wipers, etc.). Use your scan tool to erase any stored DTCs. is was an easy repair that took about 20 minutes. e only tools required included a 10 mm socket for the battery terminal, a 13 mm socket for the power connection nut at the TIPM and a flat blade screwdriver and, of course, a scan tool. Remans, such as those offered by Cardone, are tested for faults and completely reconditioned and reportedly are more durable than the original factory units. It's an easy fix that saves the cus- tomer hundreds of dollars. ■ With the negative battery cable already disconnected, remove the power connection from the TIPM (notice the heavy gauge red wire). This is secured with a single nut, requiring a 13 mm socket wrench. The large connectors feature red locking tabs. These must be pushed into the unlock posi- tion. These are difficult to move with your fingers, so a flat blade screwdriver can be used. Once the red tabs are pushed into the unlock position, flip the white lever lock and remove the con- nector from the TIPM. Snap the TIPM into place, install the cover, connect the battery negative cable, and perform the brief reset using the ignition key. The entire job took about 20 minutes. Each of the larger connectors on the high side of the box is de- signed to fit its specific terminal connection, so there's no chance of incorrect placement.

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