Suzuki Grand Vitara 2005 Service Manual

YH4
GRAND
VITARA
IMMOBILIZER CONTROL SYSTEM (IF EQUIPPED) 8G-9
Fig. 1 for Step 1 Fig. 2 for Step 1 Fig. 3 for Step 2
1. Monitor coupler
2. Service wire
A: Diagnosis switch terminal
B: Ground terminal
Fig. 4 for Step 3
“CHECK ENGINE” light
0.5
ON
OFF
TIME (sec.)
DIAGNOSTIC FLOW TABLE
<Vehicle equipped with monitor coupler>
STEP ACTION YES NO
1 1) Make sure that diagnosis switch
terminal in monitor coupler is not
grounded by service wire. See Fig. 1.
2) Check malfunction indicator lamp
while ignition switch is ON (but without
starting engine). See Fig. 2.
Dose malfunction indicator lamp flash?
Go to Step 3.  If malfunction indicator lamp
remains ON, go to Step 2.
 If malfunction indicator lamp
remains OFF, go to
“MALFUNCTION INDICATOR
LAMP CHECK” in Section 6.
2 1) Using service wire, ground diagnosis
switch terminal in monitor coupler.
See Fig. 3.
Dose malfunction indicator lamp flash?
Immobilizer control
system is in good
condition.
Go to “MALFUNCTION
INDICATOR LAMP CHECK” in
Section 6.
3 Dose malfunction indicator lamp flash as
Fig. 4?
Go to Step 4. Go to “MALFUNCTION
INDICATOR LAMP CHECK” in
Section 6.
4 1) Check DTC stored in immobilizer
control module referring to
“DIAGNOSTIC TROUBLE CODE
CHECK (IMMOBILIZER CONTROL
MODULE)” in this section.
Is there any DTC(s)?
Go to flow table for
DTC No.
Go to Step 5.
5 1) Check DTC stored in ECM/PCM
referring to “DIAGNOSTIC TROUBLE
CODE CHECK (ECM/PCM)” in this
section.
Is there any DTC(s)?
Go to flow table for
DTC No.
Substitute a known-good ECM/
PCM and recheck.
NOTE:
After replacing with a known-
good ECM/PCM, register
ECM/Immobilizer Control
Module code in ECM/PCM by
performing procedure described
in “Procedure after ECM/PCM
Replacement” section.

Suzuki Grand Vitara 2005 Specifications

General

Brand	Suzuki
Model	Grand Vitara 2005
Category	Automobile
Language	English