Suzuki WagonR+ RB310 Service Manual page 2762

DTC 18 – INPUT REV. SENSOR, A/T VSS OR A/T ITSELF
(INPUT VEHICLE SPEED TOO HIGH OR TOO LOW COMPARING TO
INPUT REV. SENSOR SIGNAL)
STEP
1 Check if DTC 14 or 31 is displayed.
Is DTC 14 or 31 displayed?
ACTION
AUTOMATIC TRANSMISSION (4 A / T) 7B-31
YES
Inspect according to DTC 14 or 31
flow table first.
1. Input rev. sensor
2. A / T VSS
3. Shield wire
4. TCM coupler
(viewed from harness side)
NO
Diagnose the
faulty condition
according to
"DIAGNOSIS" in
this section.