Suzuki WagonR+ RB310 Service Manual page 631

6-2-60 ENGINE GENERAL INFORMATION AND DIAGNOSIS (M13 ENGINE)
Step
9 Main Relay Check
1) Measure resistance between each two terminals of main
relay. (See Fig. 3).
Between main relay terminals
"A" and "B": Infinity
"C" and "D": 160 – 240
2) Check that there is continuity between terminals "A" and
"B" when battery is connected to terminals "C" and "D"
(See Fig. 4).
Is main relay in good condition?
[A]
[C]
[A]: Fig. 1 for Step 3
[B]: Fig. 2 for Step 7
Action
Ω
at 20°C (68°F)
1
[C]: Fig. 3 for Step 9 1. FI fuse (20 A)
[D]: Fig. 4 for Step 9 2. Main relay
Yes
"BLU/BLK" wire
open circuit or
high resistance cir-
cuit.
[B]
2
[D]
No
Replace main
relay.