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AW4 tranny problen


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The (Throttle Position Sensor) ''TPS'' on RENIX vehicles must be adjusted properly. Very important. Here is more............

 

RENIX automatic transmission equipped MJ's have a TPS with two connectors. There is a three-wire connector, the automatic TPS also has a four-wire connector. The four-wire connector provides data to the TCU. Disconnect the four-wire connector. Key ON, measure voltage between "A" positive and "D" ground. Note the voltage. This is your REFERENCE voltage. Now, reconnect the four-wire connector to the TPS. Back-probe the connector at wires "B" and "D". Measure the voltage. This is your OUTPUT voltage. Your OUTPUT voltage needs to be eighty-three percent of your REFERENCE voltage. Adjust the TPS until you have achieved this percentage, if you can't replace the TPS and start over.

 

TPS has two sides--one side feeds the ECU, and the other side feeds the TCU. If you have TRANSMISSION issues check the four-wire connector side of the TPS. If you have ENGINE issues check the three-wire connector side of the TPS.

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