Dtc No. 13 / No. 14: Release Signal Error From Steering Lock Unit / Steering Lock Unit Malfunction; Dtc No. 21 / No. 22: Internal Error Of Keyless Start Control Module (Eeprom Reading Error) / (Eeprom Writing Error) - Suzuki Swift Sport 2004 Service & Repair Manual

10E-24 Keyless Start System:
Step
3 Steering lock unit power supply voltage check
1) Connect connector to keyless start control module.
2) Measure voltage between "G22-3" terminal of steering
lock unit connector and vehicle body ground.
Is voltage 4 – 6 V?

DTC No. 13 / No. 14: Release Signal Error from Steering Lock Unit / Steering Lock Unit Malfunction

DTC Detecting Condition and Trouble Area
DTC detecting condition
DTC No. 13:
Although lock release signal is output to steering lock unit, no lock
release signal is inputted from steering lock unit.
(wire harness is normal)
DTC No. 14:
Although lock release signal is output to steering lock unit,
steering lock is not released due to temperature rise of steering
lock unit solenoid and no lock release signal is inputted.
(wire harness is normal)
DTC Confirmation Procedure
1) Clear DTC referring to "DTC Clearance".
2) Turn ignition knob switch pushing ignition knob switch.
3) Check DTC referring to "DTC Check".
Troubleshooting
Replace steering lock unit and recheck.
NOTE
DTC No. 13 is also set is such case where the keyless start control module which was used in another
vehicle is installed, the remote controller ID code is registered in it but the ignition key transponder
code is not registered in ECM. Therefore, when DTC No. 13 is detected, register the ignition key
transponder code in ECM before replacing the steering lock unit.
DTC No. 21 / No. 22: Internal Error of Keyless Start Control Module (EEPROM reading error) /
(EEPROM writing error)
DTC Detecting Condition and Trouble Area
DTC detecting condition
DTC No. 21:
Data cannot be read from memory in keyless start control module.
DTC No. 22:
Data cannot be written into memory in keyless start control module.
DTC Confirmation Procedure
1) Clear DTC referring to "DTC Clearance".
2) Turn ignition knob switch pushing ignition knob switch.
3) Push request switch of each door.
4) Check DTC referring to "DTC Check".
Troubleshooting
Substitute a known-good keyless start control module and recheck.
Action Yes
Replace steering lock
unit.
Trouble area
• Steering lock unit
Trouble area
• Keyless start control module
No
Substitute a known-
good keyless start
control module and
recheck.
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