Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSSUBARU1999LEGACY L SEDAN AWD F4-2.2L SOHCREPAIR AND DIAGNOSISRELAYS AND MODULESRELAYS AND MODULES - TRANSMISSION AND DRIVETRAINRELAYS AND MODULES - A/TCONTROL MODULESERVICE AND REPAIR
1999 Subaru Legacy L Sedan AWD F4-2.2L SOHC
Control Module: Service and Repair
1999 Subaru Legacy L Sedan AWD F4-2.2L SOHCSECTION Service and Repair
A: REMOVAL
1. LHD
1. Disconnect battery ground cable.
2. Remove lower cover and then disconnect connector.
3. Remove transmission control module.
4. Disconnect connectors from TCM.
2. RHD
1. Disconnect battery ground cable.
2. Remove lower cover and then disconnect connector.
3. Remove transmission control module.
4. Disconnect connectors from transmission control module.
B: INSTALLATION
1. LHD
1. Connect connectors to TCM.
2. Install TCM to steering support beam.
Tightening torque: 7.4 ± 2.0 Nm (0.75 ± 0.2 kg-m, 5.4 ± 1.4 ft. lbs.)
3. Remove TCM from steering support beam.
2. RHD
1. Connect connectors to transmission control module.
2. Install transmission control module.
Tightening torque: 25 ± 5 Nm (2.5 ± 0.5 kg-m, 18.1 ± 3.6 ft. lbs.)
3. Installing procedure hereafter is in the reverse order of removal.
1. LHD
1. Disconnect battery ground cable.
2. Remove lower cover and then disconnect connector.
3. Remove transmission control module.
4. Disconnect connectors from TCM.
2. RHD
1. Disconnect battery ground cable.
2. Remove lower cover and then disconnect connector.
3. Remove transmission control module.
4. Disconnect connectors from transmission control module.
B: INSTALLATION
1. LHD
1. Connect connectors to TCM.
2. Install TCM to steering support beam.
Tightening torque: 7.4 ± 2.0 Nm (0.75 ± 0.2 kg-m, 5.4 ± 1.4 ft. lbs.)
3. Remove TCM from steering support beam.
2. RHD
1. Connect connectors to transmission control module.
2. Install transmission control module.
Tightening torque: 25 ± 5 Nm (2.5 ± 0.5 kg-m, 18.1 ± 3.6 ft. lbs.)
3. Installing procedure hereafter is in the reverse order of removal.
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.