Suzuki Wagon R Plus RB310 Service Manual page 615

7B1-46 AUTOMATIC TRANSAXLE (M13 ENGINE)
Step
4 Check O/D off switch for operation.
1) Disconnect O/D off switch coupler.
2) Check continuity between terminals under
each condition below.
(See fig.)
O/D off switch under being released: No conti-
nuity
O/D off switch under being pressed: Continuity
Is check result satisfactory?
Fig. for Step 2 and Step 4
2
1
Action
1. O/D off switch coupler
2. O/D off switch button
Yes
"BLU/RED" circuit shorted
to ground.
No
Replace O/D off switch.