Automatic Transmission Shift Interlock Systems: Other Lexus LS III

Toyota (Sequoia, Sienna & Tundra)

Ensure shift interlock cable does not interfere with wiring harness. Ensure ignition switch turns to LOCK position when gearshift lever is in "P" position. Ensure brake pedal returns fully. Ensure shift interlock is released when brake pedal is depressed with ignition switch in ACC, ON or START position. If system does not operate as specified, see SHIFT INTERLOCK CABLE under ADJUSTMENTS.

KEY INTERLOCK SOLENOID

Note. For circuit reference, see CONNECTOR IDENTIFICATION and/or WIRING DIAGRAMS .

Note. Not all vehicles are equipped with a key interlock solenoid.

Lexus GS300 & GS430

1. Disconnect the solenoid connector. Using an ohmmeter, measure the resistance between terminals. (Scheme 226) Resistance should be 12-17 ohms. If resistance value is not as specified, replace the solenoid. See «KEY INTERLOCK SOLENOID»(ref-144214-S37162429022002091700000) under REMOVAL & INSTALLATION.
2. Momentarily supply battery positive voltage and ground at terminals. (Scheme 227) Ensure an operating noise can be heard from the solenoid. If the solenoid does not operated, replace the solenoid. See «KEY INTERLOCK SOLENOID»(ref-144214-S37162429022002091700000) under REMOVAL & INSTALLATION.

Scheme 226

Scheme 227

Lexus IS300

1. Disconnect the solenoid connector. Using an ohmmeter, measure the resistance between terminals. (Scheme 228) Resistance should be 12-17 ohms. If resistance value is not as specified, replace the solenoid. See «KEY INTERLOCK SOLENOID»(ref-144214-S37162429022002091700000) under REMOVAL & INSTALLATION.
2. Momentarily apply battery positive voltage to terminal KLS+ and ground terminal KLS-. (Scheme 228) Ensure an operating noise can be heard from the solenoid. If the solenoid does not operate, replace the solenoid. See «KEY INTERLOCK SOLENOID»(ref-144214-S37162429022002091700000) under REMOVAL & INSTALLATION.

Scheme 228

Lexus LS430

1. Disconnect the solenoid connector. Using an ohmmeter, measure the resistance between terminals No. 3 and 4. (Scheme 229) Resistance should be 12-17 ohms. If resistance value is not as specified, replace the solenoid. See «KEY INTERLOCK SOLENOID»(ref-144214-S37162429022002091700000) under REMOVAL & INSTALLATION.
2. Momentarily supply battery positive voltage and ground at terminals. (Scheme 230) Ensure an operating noise can be heard from the solenoid. If the solenoid does not operated, replace the solenoid. See «KEY INTERLOCK SOLENOID»(ref-144214-S37162429022002091700000) under REMOVAL & INSTALLATION.

Scheme 229

Scheme 230

Lexus LX470 & Toyota Land Cruiser

1. Disconnect the solenoid connector. Using an ohmmeter, measure the resistance between the 2 terminals. Resistance should be 12-17 ohms. If resistance value is not as specified, replace the solenoid. See «KEY INTERLOCK SOLENOID»(ref-144214-S37162429022002091700000) under REMOVAL & INSTALLATION.
2. Momentarily supply battery positive voltage and ground at the 2 terminals. Ensure an operating noise can be heard from the solenoid. If the solenoid does not operated, replace the solenoid. See «KEY INTERLOCK SOLENOID»(ref-144214-S37162429022002091700000) under REMOVAL & INSTALLATION.

Lexus RX300

1. Disconnect the solenoid connector. Using an ohmmeter, measure resistance between terminals. (Scheme 231) Resistance should be 12.5-16.5 ohms. If resistance value is not as specified, replace the solenoid. See «KEY INTERLOCK SOLENOID»(ref-144214-S37162429022002091700000) under REMOVAL & INSTALLATION.
2. Momentarily supply battery positive voltage and ground at terminals. (Scheme 232) Ensure an operating noise can be heard from the solenoid. If the solenoid does not operated, replace the solenoid. See «KEY INTERLOCK SOLENOID»(ref-144214-S37162429022002091700000) under REMOVAL & INSTALLATION.

Scheme 231

Scheme 232

Lexus SC430

Disconnect solenoid connector. Momentarily supply battery voltage to terminal KLS+ and ground terminal KLS-. see scheme 118 Ensure an operating sound is heard. If the solenoid does not operate, replace the solenoid. See KEY INTERLOCK SOLENOID under REMOVAL & INSTALLATION.

Toyota Avalon (Column Shift)

1. Disconnect the solenoid connector. Using an ohmmeter, measure the resistance between terminals. (Scheme 233) Resistance should be 12.5-16.5 ohms. If resistance value is not as specified, replace the solenoid. See «KEY INTERLOCK SOLENOID»(ref-144214-S37162429022002091700000) under REMOVAL & INSTALLATION.
2. Momentarily supply battery positive voltage and ground at terminals. (Scheme 234) Ensure an operating noise can be heard from the solenoid. If the solenoid does not operate, replace the solenoid. See «KEY INTERLOCK SOLENOID»(ref-144214-S37162429022002091700000) under REMOVAL & INSTALLATION.

Scheme 233

Scheme 234

Toyota Avalon (Floor Shift) & Camry Solara

1. Disconnect the solenoid connector. Using an ohmmeter, measure resistance between terminals. (Scheme 231) Resistance should be 13-16 ohms. If resistance value is not as specified, replace the solenoid. See «KEY INTERLOCK SOLENOID»(ref-144214-S37162429022002091700000) under REMOVAL & INSTALLATION.
2. Apply battery positive voltage and ground to terminals. (Scheme 232) Ensure an operating noise can be heard from the solenoid. If the solenoid does not operated, replace the solenoid. See «KEY INTERLOCK SOLENOID»(ref-144214-S37162429022002091700000) under REMOVAL & INSTALLATION.

Toyota Corolla

1. Disconnect the solenoid connector. Using an ohmmeter, measure resistance between terminals. (Scheme 235) Resistance should be 12.5-16.5 ohms. If resistance value is not as specified, replace the solenoid. See «KEY INTERLOCK SOLENOID»(ref-144214-S37162429022002091700000) under REMOVAL & INSTALLATION.
2. Momentarily supply battery positive voltage and ground at terminals. (Scheme 236) Ensure that an operating noise can be heard from the solenoid. If the solenoid does not operate, replace the solenoid. See «KEY INTERLOCK SOLENOID»(ref-144214-S37162429022002091700000) under REMOVAL & INSTALLATION.

Scheme 235

Scheme 236

Toyota Highlander

Momentarily supply battery positive voltage and ground at terminals No. 3 and 4. see scheme 118 Ensure that an operating noise can be heard from the solenoid. If the solenoid does not operate, replace the solenoid. See KEY INTERLOCK SOLENOID under REMOVAL & INSTALLATION.

Toyota RAV4

1. Disconnect the solenoid connector. Using an ohmmeter, measure resistance between terminals. (Scheme 237) Resistance should be 12.5-16.5 ohms. If resistance value is not as specified, replace the solenoid. See «KEY INTERLOCK SOLENOID»(ref-144214-S37162429022002091700000) under REMOVAL & INSTALLATION.
2. Disconnect solenoid connector. Momentarily supply battery voltage to terminal KLS+ and ground terminal KLS-. (Scheme 238) Ensure an operating sound is heard. If the solenoid does not operate, replace the solenoid. See «KEY INTERLOCK SOLENOID»(ref-144214-S37162429022002091700000) under REMOVAL & INSTALLATION.

Scheme 237

Scheme 238

Toyota Tacoma

1. Disconnect the solenoid connector. Using an ohmmeter, measure resistance between terminal No. 3 and 4. (Scheme 239) Resistance should be 12-17 ohms. If resistance value is not as specified, replace the solenoid. See «KEY INTERLOCK SOLENOID»(ref-144214-S37162429022002091700000) under REMOVAL & INSTALLATION.
2. Disconnect solenoid connector. Momentarily supply battery voltage to terminal No. 3 and 4. (Scheme 240) Ensure an operating sound is heard. If the solenoid does not operate, replace the solenoid. See «KEY INTERLOCK SOLENOID»(ref-144214-S37162429022002091700000) under REMOVAL & INSTALLATION.

Scheme 239

Scheme 240

Toyota 4Runner

1. Disconnect the solenoid connector. Using an ohmmeter, measure resistance between terminal No. 3 and 4. (Scheme 241) Resistance should be 12.5-16.5 ohms. If resistance value is not as specified, replace the solenoid. See «KEY INTERLOCK SOLENOID»(ref-144214-S37162429022002091700000) under REMOVAL & INSTALLATION.
2. Disconnect solenoid connector. Momentarily supply battery voltage to terminal No. 4 and ground terminal 3. (Scheme 242) Ensure an operating sound is heard. If the solenoid does not operate, replace the solenoid. See «KEY INTERLOCK SOLENOID»(ref-144214-S37162429022002091700000) under REMOVAL & INSTALLATION.

Scheme 241

Scheme 242

SHIFT INTERLOCK CONTROL SWITCH

Note. For circuit reference, see CONNECTOR IDENTIFICATION and/or WIRING DIAGRAMS .

Note. On models not listed, shift interlock control switch is incorporated in shift interlock ECU. No voltage tests for shift interlock control switch circuits are available.

Lexus & Toyota

Disconnect the shift interlock switch. See COMPONENT LOCATIONS. Using a DVOM, check for continuity between specified terminals. (Scheme 243)- (Scheme 249). If continuity is not as specified, replace the switch.

Scheme 243

Scheme 244

Scheme 245

Scheme 246

Scheme 247

Scheme 248

Scheme 249

SHIFT INTERLOCK SOLENOID

Note. For circuit reference, see CONNECTOR IDENTIFICATION and/or WIRING DIAGRAMS .

Note. On models not listed, shift interlock solenoid is incorporated in shift interlock ECU. See SHIFT INTERLOCK ELECTRONIC CONTROL UNIT under PIN VOLTAGE TESTS.

1. Disconnect the solenoid connector. Using an ohmmeter, measure resistance between terminals. (Scheme 250) Resistance should be approximately 20-28 ohms. If resistance value is not as specified, replace the solenoid. (Scheme 251)and (Scheme 252).
2. Momentarily supply battery positive voltage to terminal No. 5, and ground terminal No. 4. Ensure that an operating noise can be heard from the solenoid. If the solenoid does not operate, replace the solenoid. (Scheme 251)and (Scheme 252).

Scheme 250

Scheme 251

Scheme 252

Note. Manufacturer does not provide removal and installation information for shift interlock solenoid.

1. Disconnect the solenoid connector. Using an ohmmeter, measure resistance between terminals. see scheme 123 Resistance should be approximately 20-28 ohms. If resistance value is not as specified, replace the solenoid. see scheme 4
2. Momentarily supply battery positive voltage to terminal No. 5, and ground terminal No. 2. Ensure that an operating noise can be heard from the solenoid. If the solenoid does not operate, replace the solenoid. see scheme 4

Note. Manufacturer does not provide removal and installation information for shift interlock solenoid.

1. Disconnect the solenoid connector. Using an ohmmeter, measure resistance between terminals. (Scheme 253) Resistance should be 29-35 ohms. If resistance value is not as specified, replace the solenoid. see scheme 6
2. Momentarily supply battery positive voltage and ground at terminals. (Scheme 254) Ensure that an operating noise can be heard from the solenoid. If the solenoid does not operate, replace the solenoid. see scheme 6

Scheme 253

Scheme 254

Toyota Camry Solara

Note. Manufacturer does not provide removal and installation information for shift interlock solenoid.

1. Disconnect the solenoid connector. Using an ohmmeter, measure resistance between terminals. (Scheme 255) Resistance should be 29-35 ohms. If resistance value is not as specified, replace the solenoid. see scheme 8
2. Momentarily supply battery positive voltage and ground at terminals. (Scheme 256) Ensure that an operating noise can be heard from the solenoid. If the solenoid does not operate, replace the solenoid. see scheme 8

Scheme 255

Scheme 256

Toyota ECHO

Note. Manufacturer does not provide removal and installation information for shift interlock solenoid.

Momentarily supply battery positive voltage and ground at terminals No. 1 and 2. (Scheme 257) Ensure that an operating noise can be heard from the solenoid. If the solenoid does not operate, replace the solenoid. see scheme 11

Scheme 257

Note. Manufacturer does not provide removal and installation information for shift interlock solenoid.

1. Disconnect the solenoid connector. Using an ohmmeter, measure resistance between terminal SLS+ and SLS-. (Scheme 258) Resistance should be 20-28 ohms. If resistance value is not as specified, replace the solenoid. see scheme 13
2. Momentarily supply battery positive voltage and ground at terminal SLS+ and SLS-. (Scheme 259) Ensure that an operating noise can be heard from the solenoid. If the solenoid does not operate, replace the solenoid. see scheme 13

Scheme 258

Scheme 259

Note. Manufacturer does not provide removal and installation information for shift interlock solenoid.

1. Disconnect the solenoid connector. Using an ohmmeter, measure resistance between terminal SLS+ and SLS-. (Scheme 260) Resistance should be 21-27 ohms. If resistance value is not as specified, replace the solenoid. see scheme 14
2. Momentarily supply battery positive voltage and ground at terminal SLS+ and SLS-. (Scheme 261) Ensure that an operating noise can be heard from the solenoid. If the solenoid does not operate, replace the solenoid. see scheme 14

Scheme 260

Scheme 261

SHIFT INTERLOCK CABLE

Note. Not used on all models.

Lexus ES300

Access floor shift control assembly, see SHIFT INTERLOCK CABLE under REMOVAL & INSTALLATION. Using a screwdriver, unlock the claw of the automatic adjuster. (Scheme 262) Place the gearshift lever into Park and turn the ignition to the OFF position. Push the lock key down to complete the adjustment. (Scheme 263) Install console and related trim.

Scheme 262

Scheme 263

Toyota Camry

Access floor shift control assembly, see SHIFT INTERLOCK CABLE under REMOVAL & INSTALLATION. Using a screwdriver, unlock the claw of the automatic adjuster. (Scheme 264) Ensure gearshift lever is in Park position and ignition is in the Lock position. Push down on the locking claw. (Scheme 265)

Scheme 264

Scheme 265

Toyota Celica

1. Remove floor console and related components as necessary. See «SHIFT INTERLOCK CABLE»(ref-144214-S21485750102002090600000) under REMOVAL & INSTALLATION. Remove the park interlock cable end from the rod of the floor shift assembly. (Scheme 266)
2. Pull the cable out of the floor shifter while pressing the clip of the park interlock cable. Remove the cable clamps from the cable. (Scheme 267) Place the ignition in the Neutral position. Remove cable from the ignition switch assembly. (Scheme 268) Using a screwdriver, unlock the claw on the key lock of the automatic adjuster. (Scheme 269)
3. Install the cable into the cable clamps. Place the ignition in the ACC position. Install the cable into the ignition switch assembly. Place ignition in the Neutral position, install cable to floor shifter. Snap down the cable adjuster claw. Ensure the key lock is in contact with the cam stopper. (Scheme 270) Check system operation. Install floor console components as necessary.

Scheme 266

Scheme 267

Scheme 268

Scheme 269

Scheme 270

Place gearshift lever in Park position. Turn ignition switch to LOCK position. Loosen 2 bolts and ensure pedal button touches pedal plate cushion. see scheme 79or see scheme 80. Tighten 2 bolts to specification. See TORQUE SPECIFICATIONS.

Note. Key interlock solenoid removal and installation procedures are not available from manufacturer. see scheme 1- see scheme 14 for locations of system components.

Note. Not used on all models.

RAV4

1. Remove the floor shift indicator trim bezel. (Scheme 271) Remove rear floor console box. (Scheme 272)
2. Remove front floor console box assembly. Remove shift cable by squeezing together the retaining tabs. (Scheme 273) Remove floor shift assembly by removing the 4 bolts. (Scheme 274)
3. Remove the shift knob retaining screws and O/D main switch. Remove the upper position indicator housing and slide cover. Remove the grooved pin, wiring connector and remove the shift interlock ECU.
4. To assemble, install the shift interlock ECU, wiring connector and the grooved pin. Install the slide cover and upper position indicator housing.
5. Install the floor shift assembly and tighten to specification. See «TORQUE SPECIFICATIONS»(ref-144214-S23617783902002091000000). Install O/D main switch and shift knob assembly.
6. Install the front and rear floor console boxes. Install the floor shift indicator trim bezel.

Scheme 271

Scheme 272

Scheme 273

Scheme 274

SHIFT INTERLOCK ELECTRONIC CONTROL UNIT

Note. For circuit reference, see CONNECTOR IDENTIFICATION and/or WIRING DIAGRAMS .

Note. Do not disconnect shift interlock electronic control unit for testing. For all models, access shift interlock ECU. See COMPONENT LOCATIONS . Turn ignition switch to ON position.

Using DVOM, measure voltage by backprobing between specified shift interlock ECU terminals and ground with vehicle operated under specified condition. (Scheme 276) Ensure terminal "E" has continuity to ground at all times with connector connected. see scheme 119

Using DVOM, measure voltage by backprobing between specified shift interlock ECU terminals and ground with vehicle operated under specified condition. (Scheme 277) Using DVOM check for continuity at specified terminals.

Using DVOM, measure voltage by backprobing between specified shift interlock ECU terminals and ground with vehicle operated under specified condition. (Scheme 278)

Using DVOM, measure voltage by backprobing between specified shift interlock ECU terminals and ground with vehicle operated under specified condition. (Scheme 279) Using DVOM check for continuity between terminal No. 7 and ground.

Using DVOM, measure voltage by backprobing between specified shift interlock ECU terminals and ground with vehicle operated under specified condition. see scheme 120and (Scheme 280).

Using DVOM, measure voltage by backprobing between specified shift interlock ECU terminals and ground with vehicle operated under specified condition. (Scheme 281)

Using DVOM, measure voltage by backprobing between specified shift interlock ECU terminals and ground with vehicle operated under specified condition. see scheme 121and (Scheme 282). Ensure terminal "E" has continuity to ground at all times with connector connected.

Toyota (Except Land Cruiser & Highlander)

Using DVOM, measure voltage by backprobing between specified shift interlock ECU terminals and ground with vehicle operated under specified condition. (Scheme 281)- (Scheme 289).

Using DVOM, measure voltage by backprobing between specified shift interlock ECU terminals and ground with vehicle operated under specified condition. (Scheme 275) Ensure terminal "E" has continuity to ground at all times with connector connected.

Scheme 275

Scheme 276

Scheme 277

Scheme 278

Scheme 279

Scheme 280

Scheme 281

Scheme 282

Scheme 283

Scheme 284

Scheme 285

Scheme 286

Scheme 287

Scheme 288

Scheme 289

Shift Interlock System Wiring Diagram (2001 - Lexus ES300). Scheme 290

Shift Interlock System Wiring Diagram (2001 - Lexus GS300). Scheme 291

Shift Interlock System Wiring Diagram (2001 - Lexus GS430). Scheme 292

Shift Interlock System Wiring Diagram (2001 - Lexus IS300). Scheme 293

Shift Interlock System Wiring Diagram (2001 - Lexus LS430). Scheme 294

Shift Interlock System Wiring Diagram (2001 - Lexus LX470). Scheme 295

Shift Interlock System Wiring Diagram (2001 - Lexus RX300). Scheme 296

Shift Interlock System Wiring Diagram (2001 - Toyota Avalon). Scheme 297

Shift Interlock System Wiring Diagram (2001 - Toyota Camry 2.2L CNG). Scheme 298

Shift Interlock System Wiring Diagram (2001 - Toyota Camry 2.2L & 3.0L). Scheme 299

Shift Interlock System Wiring Diagram (2001 - Toyota Camry Solara). Scheme 300

Shift Interlock System Wiring Diagram (2001 - Toyota Celica). Scheme 301

Shift Interlock System Wiring Diagram (2001 - Toyota Corolla). Scheme 302

Shift Interlock System Wiring Diagram (2001 - Toyota ECHO). Scheme 303

Shift Interlock System Wiring Diagram (2001 - Toyota Highlander). Scheme 304

Shift Interlock System Wiring Diagram (2001 - Toyota Land Cruiser). Scheme 305

Shift Interlock System Wiring Diagram (2001 - Toyota Prius). Scheme 306

Shift Interlock System Wiring Diagram (2001 - Toyota RAV4). Scheme 307

Shift Interlock System Wiring Diagram (2001 - Toyota Tacoma). Scheme 308

Shift Interlock System Wiring Diagram (2001 - Toyota 4Runner). Scheme 309

Shift Interlock System Wiring Diagram (2002 - Lexus ES300). Scheme 310

Shift Interlock System Wiring Diagram (2002 - Lexus GS300). Scheme 311

Shift Interlock System Wiring Diagram (2002 - Lexus GS430). Scheme 312

Shift Interlock System Wiring Diagram (2002 - Lexus IS300). Scheme 313

Shift Interlock System Wiring Diagram (2002 - Lexus LS430). Scheme 314

Shift Interlock System Wiring Diagram (2002 - Lexus LX470). Scheme 315

Shift Interlock System Wiring Diagram (2002 - Lexus RX300). Scheme 316

Shift Interlock System Wiring Diagram (2002 - Lexus SC430). Scheme 317

Shift Interlock System Wiring Diagram (2002 - Toyota Avalon). Scheme 318

Shift Interlock System Wiring Diagram (2002 - Toyota Camry). Scheme 319

Shift Interlock System Wiring Diagram (2002 - Toyota Camry Solara). Scheme 320

Shift Interlock System Wiring Diagram (2002 - Toyota Celica). Scheme 321

Shift Interlock System Wiring Diagram (2002 - Toyota Corolla). Scheme 322

Shift Interlock System Wiring Diagram (2002 - Toyota ECHO). Scheme 323

Shift Interlock System Wiring Diagram (2002 - Toyota Highlander). Scheme 324

Shift Interlock System Wiring Diagram (2002 - Toyota Land Cruiser). Scheme 325

Shift Interlock System Wiring Diagram (2002 - Toyota Prius). Scheme 326

Shift Interlock System Wiring Diagram (2002 - Toyota RAV4). Scheme 327

Shift Interlock System Wiring Diagram (2002 - Toyota Tacoma). Scheme 328

Shift Interlock System Wiring Diagram (2002 - Toyota 4Runner). Scheme 329