Suzuki SY413 Service Manual page 1803

TABLE – D CODE (DTC) IS NOT OUTPUTTED EVEN WITH DIAGNOSIS
SWITCH TERMINAL CONNECTED TO GROUND
Refer to TABLE – A for System Circuit Diagram.
CIRCUIT DESCRIPTION
When the diag. switch terminal is connected to the ground with the ignition switch turned ON, the ABS control mod-
ule outputs a diagnostic trouble code by flashing ABS warning lamp.
INSPECTION
STEP
1 Is it shorted diag. switch terminal (1) of DIAG-2 connector
(2) and ground terminal (3) of DIAG-1 connector (4) by ser-
vice wire (5) properly? (See Fig. 1)
2 1) Disconnect service wire.
2) Disconnect ABS hydraulic unit / control module connector
(1). (See Fig. 2)
3) Measure resistance between diag. switch terminal and
connector terminal "E116-8".
Is it infinite ( )?
3 1) Measure resistance between ground terminal (3) of
DIAG-1 connector (4) and body ground.
Is continuity indicated?
4 1) Check for proper connection to ABS hydraulic unit / con-
trol module at terminal "E116-8".
2) If OK, then check ABS warning lamp circuit referring to
"TABLE A, B and C".
Is it in good condition?
Fig. 1
ACTION
Fig. 2
ANTILOCK BRAKE SYSTEM (ABS) 5B-19
YES
Go to step 2. Connect service
wire securely.
"PPL" circuit open. Go to step 3.
Go to step 4. "BLK" circuit open
or poor connection.
Substitute a Repair ABS warn-
known-good ABS ing lamp circuit.
hydraulic unit / con-
trol module assem-
bly and recheck.
NO