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 2006 SX4 Service Manual

Step
3 Steering lock unit power supply voltage check
1) Connect connector to keyless start control module.
2) Measure voltage between "Steering lock unit power
supply" 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".
DTC Troubleshooting
Replace steering lock unit and recheck.
NOTE
Be sure to register the following code when a used keyless start control module is installed. Otherwise
DTC No.13 is detected by keyless start control module though steering lock unit is normal.
• With immobilizer control system, ignition key transponder code is not registered in ECM.
• Without immobilizer control system, steering lock unit ID code is not registered in keyless start
control module.
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".
DTC Troubleshooting
Substitute a known-good keyless start control module and recheck.
Action
Keyless Start System:
Yes
Replace steering lock
unit.
Trouble area
• Steering lock unit
Trouble area
• Keyless start control module
10E-25
No
Substitute a known-
good keyless start
control module and
recheck.
S6RW0DA504018
S6RW0DA504019