Follow the trouble tree down to figure out the problem. That's not a common code for those car's let me know what you find. The relay they refer too is in the under hood fuse box. You will need a multimeter if it turn's out to be more then just a bad relay.
MASTER ENABLE RELAY GROUNDED/OPEN
The master enable relay provides battery voltage to all actuator circuits and the PCM. On 1993 vehicles the relay Is normally open and is closed when circuit 3G is connected to battery voltage through the ignition switch and circuit 1531 is grounded at the PCM. When the relay doses, battery voltage is fed into circuit 999 to supply all actuator fuses.
DTC PARAMETERS
DTC 43 is set when the PCM has detected the following conditions after the relay has been electrically switched on by the PCM.
* Engine is running.
* Voltage to all five actuators, monitored at terminals J3E14, J3E10, J3F3, J3F2, and J3F1 on the PCM, below 0.9 volts.
* Ignition voltage above 9.5 volts.
TEST DESCRIPTION
Numbered steps below refer to numbered steps on chart.
1. This step verifies problem is still present.
2. If relay coil fails or contacts fail open, DTC 43 will set. This test checks for faulty relay. Any relay in the Underhood Junction Block (UHJB) could be used to perform this test.
3. If circuit 1531 is open, DTC 43 will set. This test checks circuit 1531 for any faults. Refer to underhood junction block schematic.
4. If circuit 999 is grounded or open DTC 43 will set. This test checks circuit 999 for any faults.
5. If voltage is absent from either side of relay DTC 43 will set. This test checks for voltage to master enable relay coil and contact sides.
DIAGNOSTIC AIDS
When attempting to diagnose an intermittent problem use the Scan tool* to review supplemental diagnostic information. The supplemental data can be used to duplicate a problem.
* Select MALF History from Scan tool Transmission Control Module (TCM) menu.
Check the tightness of the female terminal grip with a spare male terminal.
When the PCM detects a fault in the circuit (open, ground, short) the PCM will open the circuit internally to protect the circuit.
* This DTC will cause the transaxle to start out in 4th gear.
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Monday, January 17th, 2011 AT 6:40 PM