Toyota Tacoma manuals

Toyota Tacoma 2015-2018 Service Manual: Theft Deterrent System cannot be Set or Unset

Toyota Tacoma 2015-2018 Service Manual / Theft Deterrent / Theft Deterrent System / Theft Deterrent System cannot be Set or Unset

DESCRIPTION

When the ignition switch is turned off and all doors and the engine hood are closed, the theft deterrent system is set when doors are locked by wireless operation*1, key linked operation or entry operation*2. If all doors are closed but engine hood is open when doors are locked by wireless operation*1, key linked operation or the entry operation*2, the theft deterrent system will be set when engine hood is closed. Also, when the ignition switch is turned ON and the engine is run continuously for 2 seconds or more, or when the doors are unlocked by wireless operation*1, key linked operation or entry operation*2, the theft deterrent system is unset.

  • *1: w/ Wireless Door Lock System
  • *2: w/ Smart Key System

WIRING DIAGRAM

Refer to "System Diagram" (See page CAUTION / NOTICE / HINT ).

CAUTION / NOTICE / HINT

NOTICE:

  • Before replacing the main body ECU (multiplex network body ECU), refer to Registration (See page ).*1
    • *1: w/ Smart Key System
  • Inspect the fuses for circuits related to this system before performing the following procedure.

PROCEDURE

1.

CHECK POWER DOOR LOCK OPERATION

(a) Check the power door lock control operation (See page Result ).

Result

Result

Proceed to

OK (w/ Wireless Door Lock System)

A

OK (w/o Wireless Door Lock System)

B

NG

C

B

GO TO STEP 8

C

GO TO POWER DOOR LOCK CONTROL SYSTEM

A

2.

CHECK WIRELESS DOOR LOCK OPERATION

(a) Check the wireless door lock control operation using the door control transmitter module set sub-assembly *1 or electrical key transmitter sub-assembly*2.

  • *1: w/o Smart Key System
  • *2: w/ Smart Key System
Result

Result

Proceed to

OK (w/ Smart Key System)

A

OK (w/o Smart Key System)

B

NG (w/ Smart Key System)

C

NG (w/o Smart Key System)

D

B

GO TO STEP 8

C

GO TO WIRELESS DOOR LOCK CONTROL SYSTEM (w/ Smart Key System)

D

GO TO WIRELESS DOOR LOCK CONTROL SYSTEM (w/o Smart Key System)

A

3.

PERFORM ACTIVE TEST USING TECHSTREAM (IMMOBILISER INDICATOR)

(a) Connect the Techstream to the DLC3.

(b) Turn the ignition switch to ON.

(c) Turn the Techstream on.

(d) Enter the following menus: Body Electrical / Smart Key / Active Test.

(e) Perform the Active Test according to the display on the Techstream.

Smart Key

Tester Display

Test part

Control Range

Diagnostic Note

Immobiliser Indicator

Security indicator

OFF/ON

-

OK:

The security indicator light operates normally.

NG

GO TO IMMOBILISER SYSTEM (w/ Smart Key System)

OK

4.

READ VALUE USING TECHSTREAM (ACC SW AND IG SW)

(a) Connect the Techstream to the DLC3.

(b) Turn the ignition switch to ON.

(c) Turn the Techstream on.

(d) Enter the following menus: Body Electrical / Main Body / Data List.

(e) Read the Data List according to the display on the Techstream.

Main Body

Tester Display

Measurement Item / Range

Normal Condition

Diagnostic Note

ACC SW

Ignition switch / ON or OFF

ON: Ignition switch ACC

OFF: Ignition switch off

-

IG SW

Ignition switch / ON or OFF

ON: Ignition switch ON

OFF: Ignition switch off or ACC

-

OK:

ON or OFF appears on the screen according to whether the ignition switch is in ON or is in off or ACC.

NG

GO TO LIGHTING SYSTEM

OK

5.

READ VALUE USING TECHSTREAM (FR DOOR LOCK POS, FL DOOR LOCK POS, RR-DOOR LOCK POS SW AND RL-DOOR LOCK POS SW)

(a) Connect the Techstream to the DLC3.

(b) Turn the ignition switch to ON.

(c) Turn the Techstream on.

(d) Enter the following menus: Body Electrical / Main Body / Data List.

(e) Read the Data List according to the display on the Techstream.

Main Body

Tester Display

Measurement Item / Range

Normal Condition

Diagnostic Note

FR Door Lock Pos

Front door RH unlock detection switch / LOCK or UNLOCK

LOCK: Front door RH locked

UNLOCK: Front door RH unlocked

-

FL Door Lock Pos

Front door LH unlock detection switch / LOCK or UNLOCK

LOCK: Front door LH locked

UNLOCK: Front door LH unlocked

-

RR-Door Lock Pos SW*1

Rear door RH unlock detection switch / ON or OFF

ON: Rear door RH unlocked

OFF: Rear door RH locked

-

RL-Door Lock Pos SW*1

Rear door LH unlock detection switch / ON or OFF

ON: Rear door LH unlocked

OFF: Rear door LH locked

-

  • *1: for Double Cab

OK:

The Techstream display changes correctly in response to the lock/unlock operation.

NG

GO TO LIGHTING SYSTEM

OK

6.

READ VALUE USING TECHSTREAM (RR DOOR COURTESY SW, RL DOOR COURTESY SW, FR DOOR COURTESY SW AND FL DOOR COURTESY SW)

(a) Connect the Techstream to the DLC3.

(b) Turn the ignition switch to ON.

(c) Turn the Techstream on.

(d) Enter the following menus: Body Electrical / Main Body / Data List.

(e) Read the Data List according to the display on the Techstream.

Main Body

Tester Display

Measurement Item / Range

Normal Condition

Diagnostic Note

RR Door Courtesy SW

Rear door courtesy light switch assembly RH signal / ON or OFF

OFF: Rear door RH closed

ON: Rear door RH open

-

RL Door Courtesy SW

Rear door courtesy light switch assembly LH signal / ON or OFF

OFF: Rear door LH closed

ON: Rear door LH open

-

FR Door Courtesy SW

Front door courtesy light switch assembly RH signal / ON or OFF

OFF: Front door RH closed

ON: Front door RH open

-

FL Door Courtesy SW

Front door courtesy light switch assembly LH signal / ON or OFF

OFF: Front door LH closed

ON: Front door LH open

-

OK:

Normal conditions listed above are displayed.

NG

GO TO LIGHTING SYSTEM

OK

7.

READ VALUE USING TECHSTREAM (HOOD COURTESY SW)

(a) Connect the Techstream to the DLC3.

(b) Turn the ignition switch to ON.

(c) Turn the Techstream on.

(d) Enter the following menus: Body Electrical / Main Body / Data List.

(e) Read the Data List according to the display on the Techstream.

Main Body

Tester Display

Measurement Item / Range

Normal Condition

Diagnostic Note

Hood Courtesy SW

Hood courtesy switch / ON or OFF

ON: Hood open

OFF: Hood closed

-

OK:

The Techstream display changes correctly in response to the hood courtesy switch (hood lock assembly) status.

OK

REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU)

NG

GO TO STEP 13

8.

PERFORM ACTIVE TEST USING TECHSTREAM (SECURITY INDICATOR)

(a) Connect the Techstream to the DLC3.

(b) Turn the ignition switch to ON.

(c) Turn the Techstream on.

(d) Enter the following menus: Body Electrical / Smart Key / Active Test.

(e) Perform the Active Test according to the display on the Techstream.

Main Body

Tester Display

Test part

Control Range

Diagnostic Note

Security Indicator

Security indicator

OFF/ON

-

OK:

The security indicator light operates normally.

NG

GO TO IMMOBILISER SYSTEM (w/o Smart Key System)

OK

9.

READ VALUE USING TECHSTREAM (ACC SW AND IG SW)

(a) Connect the Techstream to the DLC3.

(b) Turn the ignition switch to ON.

(c) Turn the Techstream on.

(d) Enter the following menus: Body Electrical / Main Body / Data List.

(e) Read the Data List according to the display on the Techstream.

Main Body

Tester Display

Measurement Item / Range

Normal Condition

Diagnostic Note

ACC SW

Ignition switch / ON or OFF

ON: Ignition switch ACC

OFF: Ignition switch off

-

IG SW

Ignition switch / ON or OFF

ON: Ignition switch ON

OFF: Ignition switch off or ACC

-

OK:

ON or OFF appears on the screen according to whether the ignition switch is in ON or is in off or ACC.

NG

GO TO LIGHTING SYSTEM

OK

10.

READ VALUE USING TECHSTREAM (FR DOOR LOCK POS, FL DOOR LOCK POS, RR-DOOR LOCK POS SW AND RL-DOOR LOCK POS SW)

(a) Connect the Techstream to the DLC3.

(b) Turn the ignition switch to ON.

(c) Turn the Techstream on.

(d) Enter the following menus: Body Electrical / Main Body / Data List.

(e) Read the Data List according to the display on the Techstream.

Main Body

Tester Display

Measurement Item / Range

Normal Condition

Diagnostic Note

FR Door Lock Pos

Front door RH unlock detection switch / LOCK or UNLOCK

LOCK: Front door RH locked

UNLOCK: Front door RH unlocked

-

FL Door Lock Pos

Front door LH unlock detection switch / LOCK or UNLOCK

LOCK: Front door LH locked

UNLOCK: Front door LH unlocked

-

RR-Door Lock Pos SW*1

Rear door RH unlock detection switch / ON or OFF

ON: Rear door RH unlocked

OFF: Rear door RH locked

-

RL-Door Lock Pos SW*1

Rear door LH unlock detection switch / ON or OFF

ON: Rear door LH unlocked

OFF: Rear door LH locked

-

  • *1: for Double Cab

OK:

The Techstream display changes correctly in response to the lock/unlock operation.

NG

GO TO LIGHTING SYSTEM

OK

11.

READ VALUE USING TECHSTREAM (RR DOOR COURTESY SW, RL DOOR COURTESY SW, FR DOOR COURTESY SW AND FL DOOR COURTESY SW)

(a) Connect the Techstream to the DLC3.

(b) Turn the ignition switch to ON.

(c) Turn the Techstream on.

(d) Enter the following menus: Body Electrical / Main Body / Data List.

(e) Read the Data List according to the display on the Techstream.

Main Body

Tester Display

Measurement Item / Range

Normal Condition

Diagnostic Note

RR Door Courtesy SW

Rear door courtesy light switch assembly RH signal / ON or OFF

OFF: Rear door RH closed

ON: Rear door RH open

-

RL Door Courtesy SW

Rear door courtesy light switch assembly LH signal / ON or OFF

OFF: Rear door LH closed

ON: Rear door LH open

-

FR Door Courtesy SW

Front door courtesy light switch assembly RH signal / ON or OFF

OFF: Front door RH closed

ON: Front door RH open

-

FL Door Courtesy SW

Front door courtesy light switch assembly LH signal / ON or OFF

OFF: Front door LH closed

ON: Front door LH open

-

OK:

Normal conditions listed above are displayed.

NG

GO TO LIGHTING SYSTEM

OK

12.

READ VALUE USING TECHSTREAM (HOOD COURTESY SW)

(a) Connect the Techstream to the DLC3.

(b) Turn the ignition switch to ON.

(c) Turn the Techstream on.

(d) Enter the following menus: Body Electrical / Main Body / Data List.

(e) Read the Data List according to the display on the Techstream.

Main Body

Tester Display

Measurement Item / Range

Normal Condition

Diagnostic Note

Hood Courtesy SW

Hood courtesy switch / ON or OFF

ON: Hood open

OFF: Hood closed

-

OK:

The Techstream display changes correctly in response to the hood courtesy switch (hood lock assembly) status.

OK

REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU)

NG

13.

INSPECT HOOD LOCK ASSEMBLY

(a) Remove the hood lock assembly (See page ). ).

(b) Inspect the hood lock assembly (See page ). ).

NG

REPLACE HOOD LOCK ASSEMBLY

OK

14.

CHECK HARNESS AND CONNECTOR (HOOD LOCK ASSEMBLY - MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU))

(a) Disconnect the E25 hood lock assembly connector.

(b) Disconnect the M6 main body ECU (multiplex network body ECU) connector.

(c) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Tester Connection

Condition

Specified Condition

E25-1 - M6-11 (HCTY)

Always

Below 1 Ω

E25-2 - Body ground

Always

Below 1 Ω

E25-1 or M6-11 (HCTY) - Body ground

Always

10 kΩ or higher

OK

REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU)

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

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