Toyota 4Runner: Smart Key System(for Start Function)
Toyota 4Runner Service Manual / Vehicle Interior / Theft Deterrent / Keyless Entry / Smart Key System(for Start Function)
- Precaution
- Parts Location
- System Description
- System Diagram
- How To Proceed With Troubleshooting
- Problem Symptoms Table
- Terminals Of Ecu
- Data List / Active Test
- Diagnosis System
- Dtc Check / Clear
- Detecting Vehicle Submersion (B2277)
- Diagnostic Trouble Code Chart
- Steering Lock Position Signal Circuit Malfunction (B2285)
- Runnable Signal Malfunction (B2286,P0335)
- ACC Monitor Malfunction (B2274)
- Vehicle Speed Signal Malfunction (B2282,B2283)
- Lost Communication with ECM / PCM (U0100,U0129,U0142,U0155)
- Ignition Hold Monitor Malfunction (B2271)
- Brake Signal Malfunction (B2284)
- Engine does not Start
- Power Source Mode does not Change to ON (IG and ACC)
- Power Source Mode does not Change to ON (IG)
- Power Source Mode does not Change to ON (ACC)
Back Door Entry Lock Function does not Operate
DESCRIPTION
If the back door entry lock function does not operate but the back door unlock
function operates, the communication line between the vehicle and electrical key
transmitter is normal. ...
Precaution
PRECAUTION
1. NOTICE FOR INITIALIZATION
NOTICE:
When disconnecting the cable from the negative (-) battery terminal, some systems
need to be initialized after the cable is reconnected (See page
...
Other materials about Toyota 4Runner:
Audio system types
Without navigation system and Display Audio system
Type A: CD player with changer controller and AM/FM radio
Type B: CD player with changer controller and AM/FM radio
Type C: CD player with changer and AM/FM radio
With Display Audio system
Owners ...
Horn Circuit
DESCRIPTION
When the theft deterrent system is in the alarm sounding state, the main body
ECU outputs a signal repeatedly at 0.4 second intervals, causing the horn(s) to
sound.
WIRING DIAGRAM
PROCEDURE
1.
CHECK HORN OPERATION
...
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