Suzuki WagonR+ RB310 Service Manual page 1855

6-1-92 GENERAL INFORMATION AND ENGINE DIAGNOSIS
STEP
6 Check Injector Resistor for Resistance.
1) Disconnect resistor connector with ignition switch
OFF.
2) Check for proper connection to resistor at each
terminals.
3) If connection is OK, check resistance.
Is resistance 1.9 – 2.1 Ω (at 20_C, 68_F)?
ACTION YES
"BLK/RED",
"BLU/ORN" or
"BLU/WHT" wire
open or poor E21-12
connection.
If wires and
connections are OK,
substitute a known-
good ECM (PCM) and
recheck.
NO
Replace resistor.