Suzuki 2000 Grand Vitara SQ416, Service Manual

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YH4
GRAND
VITARA
ENGINE (H25 ENGINE) 6-1-109
Fig. for STEP 3 Fig. for STEP 4, 6
Fig. for STEP 5
– +
V
STEP ACTION YES NO
6 Speedometer Circuit check:
(1) With ignition switch OFF, disconnect G11 coupler
from combination meter.
(2) With ignition switch ON leaving engine OFF, check
voltage between C20-1 and C20-2 terminal of VSS
coupler.
Is voltage 4 V or more?
Substitute a known-
good combination
meter and recheck. Faulty “Bl / Y” wire.
If OK, substitute a
known-good ECM
(PCM) and recheck.