Dtc P1615: Steering Lock Unit Communication Error (For Vehicle With Keyless Start System) - Suzuki GRAND VITARA Owner's Manual
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10C-10 Immobilizer Control System:
Step
3
Registration of the ignition key in use with ECM and
Diagnostic Trouble Code (DTC) Check
1) There is a possibility that the unregistered ignition key is
used. Therefore, register the transponder code in the
transponder in the ignition key with ECM referring to
"Registration of the Ignition Key: ".
2) Check if DTC P1614 is detected referring to "Diagnostic
Trouble Code (DTC) Check: ".
Is DTC P1614 detected?
4
Registration of the new ignition key with ECM and
Diagnostic Trouble Code (DTC) check
1) The transponder in the ignition key is corrupted or the
ignition key without the transponder is used. Therefore,
prepare the new ignition key.
2) Register the transponder code in the transponder in the
new ignition key with ECM referring to "Registration of
the Ignition Key: ".
3) Check if that DTC P1614 is detected referring to
"Diagnostic Trouble Code (DTC) Check: ".
Is DTC P1614 detected?
5
Immobilizer control module (ICM) check
1) Check immobilizer control module (ICM) referring to
"Inspection of Immobilizer Control Module (ICM) and Its
Circuit: ".
Is immobilizer control module (ICM) normal?
DTC P1615: Steering Lock Unit Communication Error (for Vehicle with Keyless Start System)
Circuit Description
When the transponder code in the ignition key is registered in ECM, the remote controller ID code is registered in both
ECM and keyless start control module at the same time. This DTC is detected only in case that the remote controller
ID code cannot be registered in both ECM and keyless start control module when the transponder code in the ignition
key is registered in ECM.
NOTE
• Perform the troubleshooting for DTC P1618 first if both DTC P1615 and P1618 are detected at the
same time.
• After replacing ECM, be sure to register the transponder code in the ignition key with ECM referring
to "Registration of the Ignition Key: ". After replacing the keyless start control module of the vehicle
equipped with the keyless start system, be sure to perform "Registration of the Ignition Key: ".
Detecting Condition and Trouble Area
Detecting Condition
• While registering the transponder code in ECM, the
keyless start control module sent a signal to ECM
indicating that the remote controller ID code could not
be registered.
• The remote controller ID code could not be registered in
the keyless start control module or ECM. And, the
registration of the transponder code in ECM was
terminated forcibly.
Action
Yes
Go to Step 4.
Go to Step 5.
Replace ECM with new
one referring to "Engine
Control Module (ECM)
Removal and
Installation: in Section
1C", and then perform
"Procedure after ECM
Replacement: ".
Trouble Area
• Wire circuits between steering lock unit and keyless
start control unit open or shorted
• CAN communication wire circuits faulty
• Steering lock unit faulty
• Keyless start control module faulty
• ECM faulty
No
The troubleshooting is
completed.
The troubleshooting is
completed.
Replace immobilizer
control module (ICM)
with new one referring
to "Immobilizer Control
Module (ICM) Removal
and Installation: ".
S5JB0AA304014
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Questions and answers
How to fix dampers of air conditioner on suzuki grand vitara I only get hot air seems that the damper does not move
To fix air conditioner dampers on a Suzuki Grand Vitara that only blows hot air, follow these steps:
1. Check for DTCs (Diagnostic Trouble Codes):
- Connect a scan tool to the DLC (Data Link Connector) with the ignition off.
- Turn the ignition on and check for DTCs, specifically DTC B1512.
2. Check Mode Selector Operation:
- Start the A/C system.
- Turn the mode selector to "DEF" and then to "FOOT" position.
- Wait 1 minute and recheck for DTCs.
3. Inspect Actuator Linkage:
- Check for any obstructions in the actuator linkage.
- Ensure the actuator linkage moves smoothly.
4. Check Wiring to Actuator:
- With the ignition off, disconnect the connector from the air flow control actuator.
- Inspect the wiring, especially the GRY/RED and GRY/BLK terminals, for proper connection.
If there are faults or obstructions in the actuator or wiring, repair or replace the faulty components. This should restore proper damper function and allow cold air to flow.
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