Suzuki Wagon R Manual page 4077

8G4-22 IMMOBILIZER CONTROL SYSTEM (Z10XEP / Z12XEP ENGINE MODELS)
DTC P1611 Password Not Matched
DTC Detecting Condition and Trouble Area
DTC Detecting Condition
Password registered in ECM is not correct.
Troubleshooting
Step
1 Register password and secret key by using
scan tool. Turn ignition switch to OFF position
and leave it for 5 seconds or more. Then turn
ignition switch to ON position.
Is DTC P1611 still output?
DTC P1612 / P1613 No Signal from Immobilizer Control Module
DTC Detecting Condition and Trouble Area
DTC Detecting Condition
Signal from immobilizer control module is not received
correctly.
Troubleshooting
Step
1 Is DTC B3040, B3042 or B3043 output at
immobilizer control module?
2 1) Ignition switch at OFF position and leave it
for 5 seconds or more.
2) Pull out ignition key and reinsert it.
3) Turn ignition switch to run engine.
Does engine start?
Action
Action
Trouble Area
ECM
Yes
Substitute a known-good
ECM referring to "Proce-
dure after ECM Replace-
ment" in this section and
recheck.
Trouble Area
• W-line circuit
• Immobilizer control module failure
Yes
W-line fail.
Proceed to each DTC
Flow table referring to that
DTC number.
Check B3042 or B3043
first and then B3040 if two
codes are output at the
same time.
Temporary error in read-
ing. Immobilizer control
system is in good condi-
tion.
No
ECM is in good condition.
No
Go to Step 2.
Substitute a known-good
ECM referring to "Proce-
dure after ECM Replace-
ment" in this section and
recheck.