Suzuki WagonR+ RB310 Service Manual page 1233

8G-10 IMMOBILIZER CONTROL SYSTEM (G10/M13 ENGINE MODELS)
DTC B3059 No Request from ECM for M13 Engine Model
Wiring Circuit
Refer to "Wiring Circuit for M13 Engine Model" on page 8G-2.
DTC Detecting Condition and Trouble Area
DTC Detecting Condition
No request from ECM via MIL circuit Ignition switch is
not reset correctly.
Troubleshooting
Step
1 Turn ignition switch to (I) position or (
for more than 5 seconds, then turn ignition
switch to ON (II) position.
Recheck DTC.
Is DTC B3059 current?
2 1) Check for proper connection to ECM at
E21-1 terminal.
Is it in good condition?
3 1) Check for proper connection to immobilizer
control module at G17-2 terminal.
Is it in good condition?
4 1) Check PPL/WHT line for open or short.
Is it in good condition?
Action
) position
●
Trouble Area
MIL circuit faulty
Communication between ECM and immobilizer control
module
Yes
Go to step 2.
Go to step 3.
Go to step 4.
Substitute a known-good
ECM according to "Proce-
dure after ECM Replace-
ment" under "Registration
Procedure of Immobilizer
System Components",
and recheck.
No
Communication between
ECM and immobilizer
control module was not
finished correctly.
Repair or replace.
Repair or replace.
Repair or replace.