2000 SUZUKI SWIFT RG413 Service Workshop Manual

0A-14 GENERAL INFORMATION
When checking system circuits including an electronic control unit
such as ECM, TCM, ABS control module, etc., it is important to
perform careful check, starting with items which are easier to
check.
1) Disconnect negative (–) cable from battery
2) Check each connector at both ends of the circuit being
checked for loose connection. Also check lock condition of
connector if equipped with connector lock.
3) Using a test male terminal, check both terminals of the circuit
being checked for contact tension of its female terminal.
Check each terminal visually for poor contact (possibly
caused by dirt, corrosion, rust entry of foreign object, etc.).
At the same time, check to make sure that each terminal is
locked in the connector fully.
4) Using continuity check or voltage check the following proce-
dure, check the wire harness for open circuit and poor con-
nection with its terminals. Locate abnormality, if any.
CONTINUITY CHECK
1) Measure resistance between connector terminals at both
ends of the circuit being checked (between A-1 and C-1 in
the figure). If no continuity is indicated (infinity or over limit),
that means that the circuit is open between terminals A-1
and C-1.
1. Check contact tension by inserting and removing just for once.
1. Looseness of crimping
2. Open
3. Thin wire (single strand of wire)

GENERAL INFORMATION 0A-15
2) Disconnect the connector included in the circuit (connector-B
in the figure) and measure resistance between terminals A-1
and B-1.
If no continuity is indicated, that means that the circuit is
open between terminals A-1 and B-1. If continuity is indi-
cated, there is an open circuit between terminals B-1 and C-
1 or an abnormality in connector-B.
VOLTAGE CHECK
If voltage is supplied to the circuit being checked, voltage check
can be used as circuit check.
1) With all connectors connected and voltage applied to the cir-
cuit being checked, measure voltage between each terminal
and body ground.
a) If measurements were taken as shown in the figure and
results were as listed below, it means that the circuit is
open between terminals B-1 and A-1.
Voltage between
C-1 and body ground : Approx. 5 V
B-1 and body ground : Approx. 5 V
A-1 and body ground : 0 V
b) Also, if measured values were as listed below, it means that
there is a resistance (abnormality) of such level that corre-
sponds to the voltage drop in the circuit between terminals
A-1 and B-1.
Voltage between
C-1 and body ground : Approx. 5 V
B-1 and body ground : Approx. 5 V
A-1 and body ground : Approx. 3 V

0A-16 GENERAL INFORMATION
SHORT CIRCUIT CHECK (WIRE HARNESS TO
GROUND)
1) Disconnect negative (–) cable at battery.
2) Disconnect connectors at both ends of the circuit to be
checked.
3) Measure resistance between terminal at one end of circuit
(A-1 terminal in the figure) and body ground. If continuity is
indicated, it means that there is a short to ground between
terminals A-1 and C-1 of the circuit.
4) Disconnect the connector included in circuit (connector B)
and measure resistance between A-1 and body ground.
If continuity is indicated, it means that the circuit is shorted to
the ground between terminals A-1 and B-1.
INTERMITTENT AND POOR CONNECTION
Most intermittent are caused by faulty electrical connections or
wiring, although a sticking relay or solenoid can occasionally be
at fault. When checking it for proper connection, perform careful
check of suspect circuits for :
Poor mating of connector halves, or terminals not fully
seated in the connector body (backed out).
Dirt or corrosion on the terminals. The terminals must be
clean and free of any foreign material which could impede
proper terminal contact. However, cleaning the terminal with
a sand paper or the like is prohibited.
Damaged connector body, exposing the terminals to mois-
ture and dirt, as well as not maintaining proper terminal ori-
entation with the component or mating connector. NOTE:
If the circuit to be checked is connected to other parts
(1), disconnect all connectors of those parts.
Otherwise, diagnosis will be misled.
1. To other parts

GENERAL INFORMATION 0A-17
Improperly formed or damaged terminals.
Check each connector terminal in problem circuits carefully
to ensure good contact tension by using the corresponding
mating terminal.
If contact tension is not enough, reform it to increase contact
tension or replace.
Poor terminal-to-wire connection.
Check each wire harness in problem circuits for poor con-
nection by shaking it by hand lightly. If any abnormal condi-
tion is found, repair or replace.
Wire insulation which is rubbed through, causing an intermit-
tent short as the bare area touches other wiring or parts of
the vehicle.
Wiring broken inside the insulation. This condition could
cause continuity check to show a good circuit, but if only 1 or
2 strands of a multi-strand-type wire are intact, resistance
could be far too high.
If any abnormality is found, repair or replace.
1. Check contact tension by inserting and removing just once.
2. Check each terminal for bend and proper alignment.

0A-18 GENERAL INFORMATION
IDENTIFICATION INFORMATION
VEHICLE IDENTIFICATION NUMBER
The number is punched on front dash panel in engine room.
ENGINE IDENTIFICATION NUMBER
The number is punched on cylinder block.
TRANSMISSION IDENTIFICATION NUMBER
The automatic transmission identification number is located on
transmission case.

GENERAL INFORMATION 0A-19
WARNING, CAUTION AND INFORMATION LABELS
The figure below shows main labels among others that are attached to vehicle component parts.
When servicing and handling parts, refer to WARNING/CAUTION instructions printed on labels.
If any WARNING/CAUTION label is found stained or damaged, clean or replace it as necessary.
1. Air bag label on back side of engine hood (if equipped)
2. Air bag label on sun visor (if equipped)
3. Radiator cap label
4. Engine cooling fan label
1. Air bag label on driver air bag (inflator) module 4. Air bag label on SDM
2. Air bag label on combination switch and contact coil assembly 5. Pretensioner label on seat belt retractor
3. Air bag label on passenger air bag (inflator) module [A] : These labels are attached on vehicle equipped with air bag system only.
5

0A-20 GENERAL INFORMATION
VEHICLE LIFTING POINTS
WHEN USING FRAME CONTACT HOIST
WARNING:
 Before applying hoist to underbody, always take vehicle balance throughout service into consider-
ation. Vehicle balance on hoist may change depending on what part to be removed.
 Before lifting up the vehicle, check to be sure that end of hoist arm is not in contact with brake pipe,
fuel pipe, bracket or any other part.
 When using frame contact hoist, apply hoist as shown (right and left at the same position). Lift up
the vehicle till 4 tires are a little off the ground and make sure that the vehicle will not fall off by try-
ing to move vehicle body in both ways. Work can be started only after this confirmation.
 Make absolutely sure to lock hoist after vehicle is hoisted up.
1. Vehicle front
2. Support position for frame contact hoist and safety stand
3. Floor jack position
4. Embossed-mark

GENERAL INFORMATION 0A-21
WHEN USING FLOOR JACK
In raising front or rear vehicle end off the floor by jacking, be sure
to put the jack against the front jacking bracket (1), the center por-
tion of rear axle (2) (2WD vehicle) or rear axle housing (3) (4WD
vehicle).
To perform service with either front or rear vehicle end jacked up,
be sure to place safety stands (1) under vehicle body so that vehi-
cle body is securely supported. And then check to ensure that
vehicle body does not slide on safety stands (1) and the vehicle is
held stable for safety’s sake. WARNING:
If the vehicle to be jacked up only at the front or rear end,
be sure to block the wheels on ground in order to ensure
safety.
After the vehicle is jacked up, be sure to support it on
stands. It is extremely dangerous to do any work on the
vehicle raised on jack alone.
CAUTION:
Never apply jack against suspension parts (i.e., stabi-
lizer, etc) or vehicle floor, or it may get deformed.
[A] : Front
[B] : Rear
2. Embossed mark