INTRODUCTION
Transmission is equipped with a electronically controlled shift lock and key lock system. (Scheme 33) Shift lock system prevents shift lever from being moved from Park unless brake pedal is depressed. In case of a malfunction, shift lever can be released by depressing shift lock override button, located near shift lever. Key lock system prevents ignition key from being moved from ACC to LOCK position on ignition switch unless shift lever is in Park.
System consists of brakelight switch, key interlock solenoid, shift lock control switch (all models except ES300, Paseo and Tercel), shift lock Electronic Control Unit (ECU), shift lock solenoid and shift lock override button. (Scheme 33)
Note. Previa, Sienna and T100 are equipped with cable operated shift lock system. See CABLE OPERATED SHIFT LOCK SYSTEM CHECK and ADJUSTMENTS .
Scheme 33
SHIFT LOCK SYSTEM
With ignition on, when brake pedal is depressed, an input signal is sent from brakelight switch to ECU. With shift lever in Park, an input signal from shift control switch is input to ECU, indicating shift lever is in Park. ECU then operates shift lock solenoid, so shift lever can be moved from Park.
KEY LOCK SYSTEM
With ignition in ON or ACC position and shift lever in Park, shift lock control switch opens and voltage from ECU to key interlock solenoid is turned off. When key interlock solenoid is turned off, ignition key can be turned from ACC to LOCK position on ignition switch.
COMPONENT TESTS
Note. If ignition is left in ACC or ON position with shift lever in any gear range except Park for about one hour, ECU then operates to release lock mechanism.
ELECTRONIC CONTROL UNIT (ECU)
Access ECU. (Scheme 33) ECU is under center console, in front or back of shifter. Turn ignition on. Backprobing ECU harness connector with DVOM, check voltage between designated terminals. Voltage should be as specified. See appropriate SHIFT LOCK SYSTEM PIN VOLTAGES table. For circuit identification, see appropriate wiring diagram in WIRING DIAGRAMS.
Note. Ground (GND) terminal is also referred to as "E" terminal.
| Application & Terminals | Description | Voltage | |
|---|---|---|---|
| ECU | |||
| ACC - GND | Ignition Switch In ACC Position | 10-14 | |
| IG - GND | Ignition Switch In ON Position | 10-14 | |
| STP - GND | Depress Brake Pedal | 10-14 | |
| KLS - GND | Ignition Switch In ACC, Shifter In "P" Position | 0 | |
| KLS - GND | Ignition Switch In ACC, Shifter Not In "P" Position | 7.5-11.5 | |
| KLS - GND | (1) Ignition Switch In ACC, Shifter Not In "P" Position | 6-9 | |
| Shift Lock Solenoid | |||
| SLS+ - GND | Ignition Switch In ACC, Shifter In "P" Position | 0 | |
| SLS+ - GND | Depress Brake Pedal | 8-13.5 | |
| SLS+ - GND | Ignition Switch In ACC, Shifter Not In "P" Position | 0 | |
| Shift Lock Control Switch | |||
| P1 - P | Ignition Switch ON, Shifter In "P" Position, Depress Brake Pedal | 0 | |
| P1 - P | Ignition Switch In ON, Shifter Not In "P" Position | 9-13.5 | |
| P2 - P | Ignition Switch In ACC, Shifter In "P" Position | 9-13.5 | |
| (1) Voltage measurement after one second. | |||
| (1) | Voltage measurement after one second. |
SHIFT LOCK SYSTEM PIN VOLTAGES (AVALON & CAMRY)
Note. Ground (GND) terminal is also referred to as "E" terminal.
| Application & Terminals | Description | Voltage | |
|---|---|---|---|
| ECU | |||
| ACC - GND | Ignition Switch In ACC Position | 10-14 | |
| IG - GND | Ignition Switch In ON Position | 10-14 | |
| STP - GND | Depress Brake Pedal | 10-14 | |
| KLS - GND | Ignition Switch In ACC, Shifter In "P" Position | 0 | |
| KLS - GND | Ignition Switch In ACC, Shifter Not In "P" Position | (2) 10-14 | |
| KLS - GND | (1) Ignition Switch In ACC, Shifter Not In "P" Position | 6-9 | |
| Shift Lock Solenoid | |||
| SLS+ - SLS | Ignition Switch In ACC, Shifter In "P" Position | 0 | |
| SLS+ - SLS | Depress Brake Pedal | 8-13.5 | |
| SLS+ - SLS | Depress Brake Pedal, (After 20 Seconds) | 5.5-9.5 | |
| SLS+ - SLS | Ignition Switch In ACC, Shifter Not In "P" Position | 0 | |
| Shift Lock Control Switch | |||
| P1 - P | Ignition Switch In ON Position, Shifter In "P" Position, Depress Brake Pedal | 0 | |
| P1 - P | Ignition Switch In ON, Shifter Not In "P" Position | 9-13.5 | |
| P2 - P | Ignition Switch In ACC, Shifter In "P" Position | 9-13.5 | |
| P2 - P | Ignition Switch In ACC, Shifter Not In "P" Position | 0 | |
| (1) Voltage measurement after one second. (2) Voltage is 7.5-11 volts on 1997-98 ES300. | |||
| (1) | Voltage measurement after one second. |
| (2) | Voltage is 7.5-11 volts on 1997-98 ES300. |
SHIFT LOCK SYSTEM PIN VOLTAGES (CELICA, COROLLA, ES300, GS300 (1997), GS400, LAND CRUISER, LX450, LX470, PASEO, PRIZM, TACOMA & TERCEL)
Note. Ground (GND) terminal is also referred to as "E" terminal.
| Application & Terminals | Description | Voltage | |
|---|---|---|---|
| ECU | |||
| ACC - GND | Ignition Switch In ACC Position | 10-14 | |
| ACC - GND | Ignition Switch In ON Position | 10-14 | |
| KLS - GND | Ignition Switch In ACC, Shifter In "P" Position | 0 | |
| KLS - GND | (1) Ignition Switch In ACC, Shifter Not In "P" Position | 6-9 | |
| SLS+ - GND | Ignition Switch In ON, Shifter In "P" Position | 0 | |
| SLS+ - GND | Ignition Switch In ON, Depress Brake Pedal | 3-6 | |
| SLS+ - GND | Ignition Switch In ON, Release Brake Pedal | 0 | |
| SLS+ - GND | Ignition Switch In ACC, Shifter Not In "P" Position | 3-6 | |
| P1 - GND | Shifter In "P" Position | 0 | |
| P1 - GND | Shifter Not In "P" Position | 10-14 | |
| (1) Voltage measurement after one second. | |||
| (1) | Voltage measurement after one second. |
SHIFT LOCK SYSTEM PIN VOLTAGES (1998 GS300 & 1998 GS400)
Note. Ground (GND) terminal is also referred to as "E" terminal.
| Application & Terminals | Description | Voltage | |
|---|---|---|---|
| ECU | |||
| ACC - GND | Ignition Switch In ACC Position | 10-14 | |
| IG - GND | Ignition Switch In ON Position | 10-14 | |
| STP - GND | Depress Brake Pedal | 10-14 | |
| KLS - GND | Ignition Switch In ACC, Shifter In "P" Position | 1.5 Or Less | |
| KLS - GND | Ignition Switch In ACC, Shifter Not In "P" Position | 8.5-10.5 | |
| KLS - GND | (1) Ignition Switch In ACC, Shifter Not In "P" Position | 7-8.5 | |
| Shift Lock Solenoid | |||
| SLS+ - SLS | Ignition Switch In ACC, Shifter In "P" Position | 0 | |
| SLS+ - SLS | Depress Brake Pedal | 8.8-12.5 | |
| SLS+ - SLS | Depress Brake Pedal, (After 20 Seconds) | 6.5-9.2 | |
| SLS+ - SLS | Ignition Switch In ACC, Shifter Not In "P" Position | 0 | |
| Shift Lock Control Switch | |||
| P1 - P | Ignition Switch In ON Position, Shifter In "P" Position, Depress Brake Pedal | 0 | |
| P1 - P | Ignition Switch In ON, Shifter Not In "P" Position | 10-14 | |
| P2 - P | Ignition Switch In ACC, Shifter In "P" Position | 10-14 | |
| P2 - P | Ignition Switch In ACC, Shifter Not In "P" Position | 0 | |
| (1) Voltage measurement after one second. | |||
| (1) | Voltage measurement after one second. |
SHIFT LOCK SYSTEM PIN VOLTAGES (LS400)
Note. Ground (GND) terminal is also referred to as "E" terminal.
| Application & Terminals | Description | Voltage | |
|---|---|---|---|
| ECU | |||
| ACC - GND | Ignition Switch In ACC Position | 10-14 | |
| IG - GND | Ignition Switch In ON Position | 10-14 | |
| STP - GND | Depress Brake Pedal | 10-14 | |
| KLS - GND | Ignition Switch In ACC, Shifter In "P" Position | 0 | |
| KLS - GND | Ignition Switch In ACC, Shifter Not In "P" Position | 7.5-11 | |
| KLS - GND | (1) Ignition Switch In ACC, Shifter Not In "P" Position | 5.5-10 | |
| Shift Lock Solenoid | |||
| SLS+ - GND | Ignition Switch In ACC, Shifter In "P" Position | 0 | |
| SLS+ - GND | Depress Brake Pedal | 8-14 | |
| SLS+ - GND | Ignition Switch In ACC, Shifter Not In "P" Position | 0 | |
| Shift Lock Control Switch | |||
| P1 - P | Ignition Switch In ON Position, Shifter In "P" Position, Depress Brake Pedal | 0 | |
| P1 - P | Ignition Switch In ON, Shifter Not In "P" Position | 10-14 | |
| P2 - P | Ignition Switch In ACC, Shifter In "P" Position | 10-14 | |
| (1) Voltage measurement after one second. | |||
| (1) | Voltage measurement after one second. |
SHIFT LOCK SYSTEM PIN VOLTAGES (RAV4)
Note. Ground (GND) terminal is also referred to as "E" terminal.
| Application & Terminals | Description | Voltage | |
|---|---|---|---|
| ECU | |||
| ACC - GND | Ignition Switch In ACC Position | 10-14 | |
| IG - GND | Ignition Switch In ON Position | 10-14 | |
| STP - GND | Depress Brake Pedal | 10-14 | |
| KLS - GND | Ignition Switch In ACC, Shifter In "P" Position | 0 | |
| KLS - GND | Ignition Switch In ACC, Shifter Not In "P" Position | 7.5-11 | |
| KLS - GND | (1) Ignition Switch In ACC, Shifter Not In "P" Position | 6-9.5 | |
| Shift Lock Solenoid | |||
| SLS+ - SLS | Ignition Switch In ACC, Shifter In "P" Position | 0 | |
| SLS+ - SLS | Depress Brake Pedal | 8-13.5 | |
| SLS+ - SLS | Depress Brake Pedal (After 20 Seconds) | 6-8.5 | |
| SLS+ - SLS | Ignition Switch In ACC, Shifter Not In "P" Position | 0 | |
| Shift Lock Control Switch | |||
| P1 - P | Ignition Switch In ON Position, Shifter In "P" Position, Depress Brake Pedal | 0 | |
| P1 - P | Ignition Switch In ON, Shifter Not In "P" Position | 9-13.5 | |
| P2 - P | Ignition Switch In ACC, Shifter In "P" Position | 9-13.5 | |
| P2 - P | Ignition Switch In ACC, Shifter Not In "P" Position | 0 | |
| (1) Voltage measurement after one second. | |||
| (1) | Voltage measurement after one second. |
SHIFT LOCK SYSTEM PIN VOLTAGES (SC300, SC400, SUPRA & 4RUNNER)
SHIFT LOCK SOLENOID
- Disconnect electrical connector from shift lock solenoid. Using ohmmeter, measure resistance between shift lock solenoid terminals. See «WIRING DIAGRAMS»(/toyota/avalon/xx10-1997-2000/remont/automatic-trans/#automatic-transmission-shift-interlock-systems) .
- Replace shift lock solenoid if resistance is not within specification. See «SHIFT LOCK SOLENOID RESISTANCE SPECIFICATIONS»(/toyota/avalon/xx10-1997-2000/remont/automatic-trans/#automatic-transmission-shift-interlock-systems) table. Apply battery voltage between shift lock solenoid terminals. Replace shift lock solenoid if operating sound cannot be heard.
| Application | Ohms |
|---|---|
| Avalon, Camry, Paseo, Tacoma (A-43D) & Tercel | 30-35 |
| Celica, Corolla, GS300, GS400, Prizm & 4Runner | 21-27 |
| Land Cruiser, LS400, LX450, LX470, SC300, SC400, Supra & Tacoma (A-340E/F) | 20-28 |
| ES300 | 29-36 |
| RAV4 | 26-33 |
SHIFT LOCK SOLENOID RESISTANCE SPECIFICATIONS
KEY INTERLOCK SOLENOID
- Disconnect electrical connector from key interlock solenoid. Using ohmmeter, measure resistance between key interlock solenoid terminals. See «WIRING DIAGRAMS»(/toyota/avalon/xx10-1997-2000/remont/automatic-trans/#automatic-transmission-shift-interlock-systems) .
- Replace key interlock solenoid if resistance is not 12-17 ohms. Apply battery voltage between of key interlock solenoid terminals. Replace key interlock solenoid if operating sound cannot be heard.
SHIFT LOCK CONTROL SWITCH
Disconnect electrical connector from shift lock control switch. Using ohmmeter, check continuity between specified terminals in relation to shift lever. See WIRING DIAGRAMS . See SHIFT LOCK CONTROL SWITCH CONTINUITY table. Replace switch if continuity is not as specified.
Note. Continuity must be checked in accordance with position of release button on shift lever and shift lever position.
| Shift Lever Position & Condition | Terminals |
|---|---|
| Any Other Gear Except Park | P & P2 |
| Park & Release Button Not Pushed | P & P1 |
| Park & Release Button Is Pushed | P & P1 Or P & P2 |
SHIFT LOCK CONTROL SWITCH CONTINUITY
Previa & Sienna
Ensure shift lock cable does not interfere with wiring harness. Ensure ignition switch turns to LOCK position when shift lever is in "P" position. Ensure brake pedal returns fully. Ensure shift lock is released when brake pedal is depressed with ignition switch at ACC, ON or START position.
T100
Ensure parking lock cable is lubricated and does not scrape or knock during component operation. Place shift lever in "P" position and ensure lever is locked when parking lock cable is pushed .28" (7 mm). Ensure shift lever is released when parking lock cable is free. Ensure free play at tip of shift lever is .24" (6 mm).
Previa
Adjust pin length by loosening and tightening nut. Pin length should be.012" (.3 mm) above or.028" (.7 mm) below shift lever assembly surface. With pin within length specifications, tighten nut to 18 ft. lbs. (25 N.m). (Scheme 34)
Place shift lever in "P" position. Turn ignition switch to LOCK position. Loosen 2 nuts and ensure slide pin strikes cushion rubber. Tighten 2 nuts to 48 INCH lbs. (5.4 N.m). (Scheme 35)
Turn ignition switch key to ACC position. Set control shaft to "D" position. Measure clearance between stopper and shift lock plate. Clearance should be.039" (1.0 mm) plus or minus.031" (.8 mm). (Scheme 36) When control shaft is set to "D" position, ensure ignition key does not turn to LOCK position.
Scheme 34
Scheme 35
Scheme 36
Shift Interlock System Wiring Diagram (1997 Prizm). Scheme 37
Shift Interlock System Wiring Diagram (1998 Prizm). Scheme 38
Shift Interlock System Wiring Diagram (1997 ES300). Scheme 39
Shift Interlock System Wiring Diagram (1998 ES300). Scheme 40
Shift Interlock System Wiring Diagram (1997 GS300). Scheme 41
Shift Interlock System Wiring Diagram (1998 GS300). Scheme 42
Shift Interlock System Wiring Diagram (1998 GS400). Scheme 43
Shift Interlock System Wiring Diagram (1997 LS400). Scheme 44
Shift Interlock System Wiring Diagram (1998 LS400). Scheme 45
Shift Interlock System Wiring Diagram (1997 LX450). Scheme 46
Shift Interlock System Wiring Diagram (1998 LX470). Scheme 47
Shift Interlock System Wiring Diagram (1997 SC300 & SC400). Scheme 48
Shift Interlock System Wiring Diagram (1998 SC300 & SC400). Scheme 49
Shift Interlock System Wiring Diagram (1997 Avalon). Scheme 50
Shift Interlock System Wiring Diagram (1998 Avalon). Scheme 51
Shift Interlock System Wiring Diagram (1997-98 Camry). Scheme 52
Shift Interlock System Wiring Diagram (1997-98 Celica). Scheme 53
Shift Interlock System Wiring Diagram (1997 Corolla). Scheme 54
Shift Interlock System Wiring Diagram (1998 Corolla). Scheme 55
Shift Interlock System Wiring Diagram (1998 Land Cruiser). Scheme 56
Shift Interlock System Wiring Diagram (1997 Paseo). Scheme 57
Shift Interlock System Wiring Diagram (1997 RAV4). Scheme 58
Shift Interlock System Wiring Diagram (1998 RAV4). Scheme 59
Shift Interlock System Wiring Diagram (1997-98 Supra). Scheme 60
Shift Interlock System Wiring Diagram (1997 Tacoma - With Column Shift). Scheme 61
Shift Interlock System Wiring Diagram (1997 Tacoma - With Floor Shift). Scheme 62
Shift Interlock System Wiring Diagram (1998 Tacoma - With Column Shift). Scheme 63
Shift Interlock System Wiring Diagram (1998 Tacoma - With Floor Shift). Scheme 64
Shift Interlock System Wiring Diagram (1997-98 Tercel). Scheme 65
Shift Interlock System Wiring Diagram (1997 4Runner). Scheme 66
Shift Interlock System Wiring Diagram (1998 4Runner). Scheme 67
See also:
• CABLE OPERATED SHIFT LOCK SYSTEM CHECK