Ignition Interlock Switch — Checking and Replacing [Toyota Camry XV20]

The immobilizer switch prevents the engine from starting if any gear other than park or neutral is engaged.

Checking the switch (4-cylinder models)

Gear shift lever position	Contact numbers, circuit between contacts is closed
P	4 – 7	5 – 6
R	4 – 8	–
N	4 – 10	5 – 6
D	4 – 9	–
2	2 – 4	–
L	2 – 3	–

Checking the switch (6-cylinder models)

Gear shift lever position	Contact numbers, circuit between contacts is closed
P	2 – 7	5 – 6
R	2 – 8	–
N	2 – 9	5 – 6
D	2 – 10	–
2	2 – 3	–
L	2 – 4	–

Switch adjustment (4-cylinder models)

Switch adjustment (6-cylinder models)

[The material is republished from an online website: toyotaman.ru]

Examination

1. Raise and support the front of the vehicle.

2. Disconnect the wire from the switch.

3. Check with an ohmmeter how the switch works in all positions (see Fig. Checking the Switch for 4-Cylinder Models and Fig. Checking the Switch for 6-Cylinder Models).

4. Replace the switch if necessary.

Replacement

1. Raise and support the front of the vehicle.

2. Disconnect the wire from the switch.



3. Loosen the shift lever nut on the gearbox (left arrow), remove the lever and unscrew the switch bolts.

4. Remove the switch.

5. Installation is carried out in the reverse order of removal.

Adjustment

Loosen the switch bolts and rotate it to align the slot and the alignment line (see Fig. Adjusting the Switch for 4-Cylinder Models and Fig. Adjusting the Switch for 6-Cylinder Models). Tighten the switch bolts.