Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSTOYOTA2011LANDCRUISER V8-5.7L (3UR-FE)REPAIR AND DIAGNOSISACCESSORIES AND OPTIONAL EQUIPMENTEMERGENCY CONTACT MODULESERVICE PRECAUTIONS
2011 Toyota Landcruiser V8-5.7L (3UR-FE)
Emergency Contact Module: Service Precautions
2011 Toyota Landcruiser V8-5.7L (3UR-FE)SECTION Service Precautions
CELLULAR COMMUNICATION: SAFETY CONNECT SYSTEM: PRECAUTION
1. WHEN DISCONNECTING BATTERY CABLE
(a) After connecting the battery cable, initialize the following systems.
2. WHEN AUTOMATIC COLLISION NOTIFICATION HAS ACTIVATED
(a) Perform "ACN CALL END" with Techstream to terminate ACN (Automatic Collision Notification) with the call center ACN Call End.
(b) The BUB (Back-Up Battery) must be replaced.
3. WHEN DISCONNECTING CONNECTORS FROM DCM (TELEMATICS TRANSCEIVER)
(a) The engine switch must be off.
4. WHEN REPLACING THE DCM (TELEMATICS TRANSCEIVER)
(a) After installing a new Telematics Data Communication Module (DCM (Telematics Transceiver)), perform "DCM ACTIVATION" with the Techstream DCM Activation. This allows the Telematics service provider to register the new DCM (Telematics Transceiver) and to delete the old DCM (Telematics Transceiver) information from their database.
NOTICE:
Do not swap the DCM (telematics transceiver) with one from another vehicle.
5. WHEN UNABLE TO CONTACT WITH CALL CENTER BUT NO DTC
(a) This may occur when the cellular signal strength is very weak. Check "DCM OPERATION HISTORY" with the Techstream DCM Operation History.
6. WHEN DIAGNOSING DCM (TELEMATICS TRANSCEIVER)
(a) While attempting to diagnose the DCM (Telematics Transceiver), do NOT use a DCM (Telematics Transceiver) from another vehicle. Each DCM (Telematics Transceiver) is registered to a specific VIN and should not be tested in another vehicle.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.