Suzuki GA413 Service Manual page 439

STEP
5 1) Remove VSS.
2) Visually inspect VSS sensor signal rotor for
damage.
Was any damage found?
6 1) Turn ignition switch OFF position.
2) Disconnect combination meter electrical con-
nectors. Refer to Section 8.
3) Disconnect speed warning buzzer electrical
connectors (if equipped).
4) Disconnect P/S control module connector (if
equipped).
5) Turn ignition switch ON position, leaving engine
OFF.
6) Measure voltage from terminal "c" of VSS con-
nector to ground.
Is voltage within 4-5V?
NOTE:
Upon completion of inspection and repair work, perform "DTC Confirmation Procedure" in this section and
confirm that the trouble has been corrected.
Fig. for Step 3
ACTION
Fig. for Step 4, 6
ENGINE AND EMISSION CONTROL SYSTEM 6E-29
YES
Faulty VSS signal rotor.
Faulty speedometer.
Faulty speed warning
buzzer.
Faulty P/S control mod-
ule.
NO
Poor connection of VSS
connector terminal.
If OK, substitute a
known-good VSS and
recheck.
"Y" wire open or short.
Poor connection of ECM
connector terminal.
If OK, substitute a
known-good ECM and
recheck.