Limit Switch

Sequoia

1. Connect actuator connector. Shift transfer shift lever into "H" position and place 2-4 selector switch in OFF position. Check ADD actuator operation by sound. Disconnect actuator connector.

2. Using an ohmmeter, ensure there is no continuity between actuator connector terminal Nos. 1 and 4, Nos.

3 and 5, and Nos. 4 and 5. See Fig. 5 . Ensure there is continuity between terminal Nos. 1 and 3.

3. Connect actuator connector. Shift transfer shift lever into "H" position and place 2-4 selector switch in ON position. Check ADD actuator operation by sound. Disconnect actuator connector.

4. Using an ohmmeter, ensure there is no continuity between actuator connector terminal Nos. 1 and 3, Nos. 1 and 4, and Nos. 4 and 5. See Fig. 5 . Ensure there is continuity between terminal Nos. 3 and 5. Connect actuator connector.

Tacoma & 4Runner

1. Connect actuator connector. Shift transfer shift lever/transfer operation switch to "H" (with one-touch selector) or H2 (without one-touch selector). Check ADD actuator operation by sound. Disconnect actuator connector.

2. Using an ohmmeter, ensure there is no continuity between terminal Nos. 1 and 3, Nos. 1 and 4, and Nos.

4 and 5. See Fig. 5 . Ensure there is continuity between terminal Nos. 3 and 5. Connect actuator connector.

3. Shift transfer shift lever/transfer operation switch to H4 position (without one-touch selector) or turn selector switch ON (with one-touch selector). Check ADD actuator operation by sound. Disconnect actuator connector.

4. Ensure there is no continuity between terminal Nos 1 and 4, Nos 3 and 5, and Nos 4 and 5. Ensure there is continuity between terminal Nos 1 and 3. See Fig. 5 . Connect actuator connector.

5. If continuity is not as specified, replace actuator assembly. Tundra

1. Connect ADD actuator connector. Shift transfer case shift lever, or move transfer operation switch to H2 position. Listen for ADD actuator operation.

2. Disconnect ADD actuator connector. Using an ohmmeter, ensure that continuity is present between terminal Nos 3 and 5 and that there is no continuity between terminal Nos 1 and 3 Nos 1 and 4 and

2001 DRIVE AXLES Differential - Automatic Disconnecting Differential - Front

Nos. 4 and 5. See Fig. 5 . If continuity is not as specified, replace actuator assembly.

3. Connect ADD connector. Shift transfer case shift lever, or move transfer operation switch to H4 position. Listen for ADD actuator operation.

4. Disconnect ADD actuator connector. Using an ohmmeter, ensure that continuity is present between terminal Nos. 1 and 3, and that there is no continuity between terminal Nos. 1 and 4, Nos. 3 and 5, and Nos. 4 and 5. See Fig. 5 . If continuity is not as specified, replace actuator assembly. Connect ADD actuator connector.

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