Suzuki Grand Vitara JB416 / JB420. Manual - part 388

9F-1 Security and Locks: 

Body, Cab and Accessories

Security and Locks

General Description

Key Coding Construction

S5JB0A9601001

Key Usage and Identification
Key is used for ignition and door lock cylinders. Key is cut on both edges to make them reversible.
Key identification is obtained from five character key code stamped on key code tag. Using this key code, key code 
cutting combination can be determined from a code list (available to owners of key cutting equipment from suppliers).

Component Location

Power Door Lock and Keyless Entry System Component Location

S5JB0A9603001

3

4

5

7

6

8

8

1

I5JB0A960001-03

1. Keyless entry receiver

3. Power door lock switch

5. Rear door actuator (5 door model only)

7. Door switch

2. Transmitter

4. Front door actuator

6. Rear end door actuator

8. BCM 

Security and Locks:  9F-2

Diagnostic Information and Procedures

Power Door Lock System Symptom Diagnosis

S5JB0A9604001

NOTE

• Use of SUZUKI scan tool makes it easy to check whether a faulty condition is on the input side or 

output side of BCM. For checking procedure, refer to “Diagnosis Using Output Test Function of 
SUZUKI Scan Tool” under “Scan Tool Data in Section 10B”.

• Check each part in the order from the top of the following list.

 

Power Door Lock System Operation Inspection

S5JB0A9604002

1) Check the following operation:

a) Turn the driver side key cylinder is turned LOCK once, check all doors lock.
b) Turn the driver side door key cylinder is turned UNLOCK position with door key twice, check all doors unlock.
c) With all doors unlocked, insert key in key cylinder of driver side door and turn it to lock side, turn it again to lock 

side within 3 seconds and check that no door can be opened even when door lock knob is moved to unlock 
side.

If malfunction is found, go to “Power Door Lock System Symptom Diagnosis”.

Condition

Possible cause

Correction / Reference Item

All door can not be locked 
/ unlocked by all of 
switches

Circuit fuse blown

Replace fuse and check for short circuit.

Wiring or grounding faulty

Repair circuit.

BCM faulty

Replace after making sure that none of above 
parts is faulty.

All door can not be locked 
/ unlocked by only power 
door lock switch

Circuit fuse blown

Replace fuse and check for short circuit.

Power door lock switch faulty

Check power door lock switch referring to 
“Power Door Lock Switch Inspection”.

Wiring harness connected to power door 
lock switch faulty

Repair.

Wiring or grounding faulty

Repair circuit.

BCM faulty

Replace after making sure that none of above 
parts is faulty.

All door can not be locked 
/ unlocked by only key 
cylinder switch

Circuit fuse blown

Replace fuse and check for short circuit.

Key cylinder switch faulty

Check key cylinder switch referring to “Door 
Key Cylinder Switch Inspection”.

Wiring or grounding faulty

Repair circuit.

BCM faulty

Replace after making sure that none of above 
parts is faulty.

Only one door can not be 
locked / unlocked

Power door lock actuator faulty

Check actuator referring to “Power Door Lock 
Actuator Inspection (If Equipped)”.

Wiring harness connected to applicable 
door lock actuator faulty

Repair.

BCM faulty

Replace after making sure that none of above 
parts is faulty.

9F-3 Security and Locks: 

Keyless Entry System Symptom Diagnosis (If Equipped)

S5JB0A9604004

NOTE

• Confirm that power door lock system is in good condition before referring to the following possible 

causes.

• Check each part in the order from the top of the following list.

 

Condition

Possible cause

Correction / Reference Item

All door can not be locked 
/ unlocked by only 
keyless entry transmitter

Transmitter battery dead

Replace battery referring to “Replacement of 
Transmitter Battery”.

Door switch faulty

Check door switch referring to “Door Switch 
(Front / Rear / Rear End Door) Inspection in 
Section 9C”.

Transmitter faulty

Replace transmitter.

Key remainder switch in ignition switch 
faulty

Check ignition switch referring to “Ignition 
Switch Inspection in Section 9C”.

Wiring or grounding faulty

Repair circuit.

Keyless entry receiver faulty

Check keyless entry receiver referring to 
“Keyless Entry Receiver and Its Circuit 
Inspection”.

BCM faulty

Replace after making sure that none of above 
parts is faulty.

Turn signal lights can not 
be flashed when doors 
are locked / unlocked by 
keyless entry transmitter

Turn signal and hazard warning relay 
faulty

Check turn signal and hazard warning relay 
referring to “Turn Signal and Hazard Warning 
Relay Inspection in Section 9B”.

Wiring or grounding faulty

Repair circuit.

BCM faulty

Replace after making sure that none of above 
parts is faulty.

Interior light does not 
light when doors are 
unlocked by keyless entry 
transmitter

Wiring or grounding faulty

Repair circuit.

BCM faulty

Replace after making sure that none of above 
parts is faulty.

Hazard warning lights do 
not light when doors are 
locked/unlocked by 
keyless entry transmitter

Turn signal and hazard warning relay 
faulty

Check turn signal and hazard warning relay 
referring to “Turn Signal and Hazard Warning 
Relay Inspection in Section 9B”.

Wiring or grounding faulty

Repair circuit.

BCM faulty

Replace after making sure that none of above 
parts is faulty.

Transmitter code can not 
be programmed to BCM

Door switch faulty

Check door switch referring to “Door Switch 
(Front / Rear / Rear End Door) Inspection in 
Section 9C”.

Keyless entry receiver faulty

Check keyless entry receiver referring to 
“Keyless Entry Receiver and Its Circuit 
Inspection”.

Key reminder switch in ignition switch 
faulty

Check ignition switch referring to “Ignition 
Switch Inspection in Section 9C”.

Wiring or grounding faulty

Repair circuit.

BCM faulty

Replace after making sure that none of above 
parts is faulty.

Security and Locks:  9F-4

Keyless Entry System Operation Inspection

S5JB0A9604005

1) Confirm that power door lock system operates normally, refer to “Power Door Lock System Operation Inspection”.
2) All doors are closed and unlocked.
3) Check the following operation:

a) Push “lock” button (1) on transmitter (2) or remote controller once, and check all doors lock and hazard waning 

lights flash once.

b) Push “unlock” button (3) on transmitter (2) or remote controller twice, and check all doors unlock and hazard 

waning lights flash twice and interior light turns on several seconds with the interior light switch in the middle 
position.

If malfunction is found, go to “Keyless Entry System Symptom Diagnosis (If Equipped)”.

Door Lock Function of Keyless Start System Symptom Diagnosis (If Equipped)

S5JB0A9604010

Proceed to “Keyless Start System Symptom Diagnosis in Section 10E” in case that doors cannot be locked and 
unlocked by operating the request switch at the outside door handle.

Repair Instructions

Front Door Lock Assembly Components

S5JB0A9606001

(a)

(a)

(a)

(b)

6

3

7

1

4

5

2

I5JB0A960002-02

1. Front door latch assembly 

: Apply lithium grease 99000-25010 to sliding and rotating parts and spring if any.

4. Latch striker

7. Inside handle bezel

2. Outside handle assembly

: Apply lithium grease 99000-25010 to sliding part.

5. Shim

: 5.0 N

⋅m (0.5 kgf-m, 4.0 lb-ft)

3. Outside handle frame

: Apply lithium grease 99000-25010 to sliding part and spring.

6. Key cylinder

: 10 N

⋅m (1.0 kgf-m, 7.5 lb-ft)