Suzuki Wagon R Plus RB310, Service Manual

Page: 837 / 846

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