Suzuki Wagon R Manual page 922

DIAGNOSTIC FLOW TABLE
DIAGNOSTIC PROCEDURE FOR EC spec vehicle (not equipped with diagnosis connector #3)
STEP
1 Turn ignition switch to start engine.
Does engine run?
2 W-line circuit check
Measure terminal voltage of immobilizer control module
connector G19-7.
Is it 10 – 14 V with ignition switch at ON position,
0 – 1 V with ignition switch at OFF position?
3 Check for DTC referring to DTC CHECK in SECTION 6.
Is there any malfunction DTC(s)?
4 Check, repair and / or perform necessary
registration procedure according to flow table
corresponding to that code number.
Is there other malfunction DTC(s)?
5 Check for DTC referring to DTC CHECK.
Refer to DTC CHECK in this section.
Is there any malfunction DTC(s)?
6 Check and repair according to flow table
corresponding to that code number.
Is there other malfunction DTC(s)?
DIAGNOSTIC PROCEDURE FOR NON-EC spec vehicle (equipped with diagnosis connector #3)
STEP
1 Check MIL (malfunction indicator lamp) for
flashing with ignition switch turned to ON position
and diagnosis terminal of monitor connector
(diagnosis connector #3) not grounded.
Is it flashing?
2 W-line circuit check
Measure terminal voltage of immobilizer control
module connector G19-7.
Is it 10 – 14 V with ignition switch at ON position,
0 – 1 V with ignition switch at OFF position?
3 Check for DTC referring to DTC CHECK in SECTION 6.
Is there any malfunction DTC(s)?
4 Check, repair and / or perform necessary registration
procedure according to flow table corresponding to that
code number.
Is there other malfunction DTC(s)?
5 Check for DTC referring to DTC CHECK.
Refer to DTC CHECK in this section.
Is there any malfunction DTC(s)?
6 Check and repair according to flow table corresponding
to that code number.
Is there other malfunction DTC(s)?
ACTION
ACTION
IMMOBILIZER CONTROL SYSTEM 8G-7
YES
Go to step 5.
W-line circuit is in good
condition.
Go to step3.
Go to step 4.
Repeat step 4 until no
diagnostic code is
indicated.
Go to step 6.
Repeat step 6 until no
diagnostic code is
indicated.
YES
Go to step 2.
W-line circuit is in good
condition.
Go to step3.
Go to step 4.
Repeat step 4 until no
diagnostic code is
indicated.
Go to step 6.
Repeat step 6 until no
diagnostic code is
indicated.
NO
Go to step 2.
W-line circuit open or
short.
Check and repair.
Then go to step 3.
Go to step 5.
Go to step 5.
Immobilizer control system
is in good condition.
If engine does not run,
electronic fuel injection
system is failed.
Proceed ENGINE
DIAGNOSTIC FLOW
TABLE in SECTION 6.
Immobilizer control system
is in good condition.
If engine does not run,
electronic fuel injection
system is failed.
Proceed ENGINE
DIAGNOSTIC FLOW
TABLE in SECTION 6.
NO
Go to step 5.
W-line circuit open or
short.
Check and repair.
Then go to step 3.
Go to step 5.
Go to step 5.
Immobilizer control system
is in good condition.
If engine does not run,
electronic fuel injection
system is failed.
Proceed ENGINE
DIAGNOSTIC FLOW
TABLE in SECTION 6.
Immobilizer control system
is in good condition.
If engine does not run,
electronic fuel injection
system is failed.
Proceed ENGINE
DIAGNOSTIC FLOW
TABLE in SECTION 6.