Suzuki Grand Vitara 2005 Owner's Manual

Immobilizer Control System: 10C-5
Diagnostic Information and Procedures
Immobilizer Control System Check
S5JB0AA304001
1. Battery 6. Data link connector (DLC) 11. Keyless start control module 16. Immobilizer control module (ICM) connector
(harness side view)
2. Fuse 7. ECM 12. Combination meter 17. BCM connector (harness side view)
3. Ignition switch 8. ABS control module 13. From fuse 18. ABS control module connector (harness side
view)
4. Junction block assembly 9. Junction connector 14. BCM 19. Keyless start control module connector
(harness side view)
5. Immobilizer control
module (ICM)
10. Steering lock unit 15. Combination meter connector (harness
side view)
20. ECM connectors (harness side view)
Step Action Yes No
1 Immobilizer indicator lamp ON check
1) Turn ignition switch to ON position using ignition key.
Does immobilizer indicator lamp (1) come on?
Go to Step 2. Check if DTC P1636
and/or P1638 are
detected by ECM
referring to “Diagnostic
Trouble Code (DTC)
Check: ”. If detected,
perform the
troubleshooting
referring to the
corresponding flowchart
in this section. If not
detected, go to
“Immobilizer Indicator
Lamp Does Not Come
ON with Ignition Switch
ON and Engine Stop: ”.
2 Immobilizer indicator lamp flash check
Does immobilizer indicator lamp flash on and off
continuously in Step 1?
Check what DTC is
detected by ECM
referring to “Diagnostic
Trouble Code (DTC)
Check: ”. Then, perform
the troubleshooting
referring to the
corresponding flowchart
in this section.
Go to Step 3.
3 Engine start check
1) Start engine using ignition key.
Does engine start?
Go to Step 4. Perform “Engine and
Emission Control
System Check: in
Section 1A”.
4 Immobilizer indicator lamp remain ON check
1) Check if immobilizer indicator lamp remains ON after
engine start.
Does immobilizer indicator lamp remain ON after engine
start?
Go to “Immobilizer
Indicator Lamp
Remains ON after
Engine Start: ”.
Immobilizer control
system is in good
condition. Then, go to
“Keyless Start System
Check: in Section 10E”
for the vehicle with
keyless start system.
1
I5JB0AA30004-01

Suzuki Grand Vitara 2005 Specifications

General

Brand	Suzuki
Model	Grand Vitara 2005
Category	Automobile
Language	English