Toyota 4Runner: Inspection

Toyota 4Runner Service Manual / Vehicle Interior / Door Lock / Front Door Lock / Inspection

INSPECTION

PROCEDURE

1. INSPECT FRONT DOOR LOCK ASSEMBLY LH

(a) Check the door lock motor operation.

(1) Apply battery voltage to the motor connector and check the operation of the door lock.

Text in Illustration

Lock

Unlock

Component without harness connected

(Front Door Lock Assembly LH)

OK:

Measurement Condition	Specified Condition
Battery positive (+) → 4 (L) Battery negative (-) → 1 (UL)	Lock
Battery positive (+) → 1 (UL) Battery negative (-) → 4 (L)	Unlock

Measurement Condition

Specified Condition

Battery positive (+) → 4 (L)

Battery negative (-) → 1 (UL)

Lock

Battery positive (+) → 1 (UL)

Battery negative (-) → 4 (L)

Unlock

If the result is not as specified, replace the front door lock assembly.

(b) Check the detection switch.

(1) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Tester Connection	Switch Condition	Specified Condition
8 (LSSR) - 7 (E)	Lock	10 kΩ or higher
8 (LSSR) - 7 (E)	Unlock	Below 1 Ω

If the result is not as specified, replace the front door lock assembly.

(1) Measure the resistance according to the value(s) in the table below.

Text in Illustration

Lock

Off

Unlock

Component without harness connected

(Front Door Lock Assembly LH)

Standard Resistance:

Tester Connection	Switch Condition	Specified Condition
9 (L) - 7 (E)	Lock	Below 1 Ω
9 (L) - 7 (E) 10 (UL) - 7 (E)	Off	10 kΩ or higher
10 (UL) - 7 (E)	Unlock	Below 1 Ω

Tester Connection

Switch Condition

Specified Condition

9 (L) - 7 (E)

Lock

Below 1 Ω

9 (L) - 7 (E)

10 (UL) - 7 (E)

Off

10 kΩ or higher

10 (UL) - 7 (E)

Unlock

Below 1 Ω

If the result is not as specified, replace the front door lock assembly.

2. INSPECT FRONT DOOR LOCK ASSEMBLY RH

(a) Check the door lock motor operation.

(1) Apply battery voltage to the door lock motor connector and check the operation of the door lock.

Text in Illustration

Unlock

Lock

Component without harness connected

(Front Door Lock Assembly RH)

OK:

Measurement Condition	Specified Condition
Battery positive (+) → 4 (L) Battery negative (-) → 1 (UL)	Lock
Battery positive (+) → 1 (UL) Battery negative (-) → 4 (L)	Unlock

Measurement Condition

Specified Condition

Battery positive (+) → 4 (L)

Battery negative (-) → 1 (UL)

Lock

Battery positive (+) → 1 (UL)

Battery negative (-) → 4 (L)

Unlock

If the result is not as specified, replace the front door lock assembly.

(b) Check the detection switch.

(1) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Tester Connection	Switch Condition	Specified Condition
7 (LSSR) - 8 (E)	Lock	10 kΩ or higher
7 (LSSR) - 8 (E)	Unlock	Below 1 Ω

If the result is not as specified, replace the front door lock assembly.

Removal

REMOVAL CAUTION / NOTICE / HINT HINT: Use the same procedure for the RH and LH sides. The procedure listed below is for the LH side. PROCEDURE 1. DISCONNECT CABLE FROM NEGATIVE ...

Installation

INSTALLATION CAUTION / NOTICE / HINT HINT: Use the same procedure for the RH and LH sides. The procedure listed below is for the LH side. PROCEDURE 1. INSTALL FRONT DOOR INSIDE ...

Other materials about Toyota 4Runner:

Door Courtesy Switch Circuit
DESCRIPTION The side auto step controller ECU assembly receives the door open/closed signal from each door courtesy light switch via the side auto step switch assembly. WIRING DIAGRAM CAUTION / NOTICE / HINT HINT: Inspection should be performed on the ...

Installation
INSTALLATION CAUTION / NOTICE / HINT HINT: Use the same procedure for the RH and LH sides. The procedure listed below is for the LH side. A bolt without a torque specification is shown in the standard bolt chart (See page ). PROC ...