Dtc P17D0 Center Differential Lock Control Sw Circuit

Drivetrain. Land Cruiser. Urj200, 202 Grj200 Vdj200
Jf2A Transfer 4Wd Awd. Land Cruiser. Urj200, 202 Grj200 Vdj200

DESCRIPTION

WIRING DIAGRAM

INSPECTION PROCEDURE

CHECK HARNESS AND CONNECTOR (4 WHEEL DRIVE CONTROL ECU - CENTER DIFFERENTIAL LOCK SWITCH)

INSPECT INTEGRATION CONTROL AND PANEL ASSEMBLY OR CENTER DIFFERENTIAL LOCK SWITCH

DTC P17D0 Center Differential Lock Control SW Circuit


DESCRIPTION

This DTC is output when a malfunction is detected in the center differential lock switch (integration control and panel assembly)*1 or center differential lock switch*2, *3.

DTC No.
DTC Detection Condition
  1. Diagnosis Condition
  2. Malfunction Status
  3. Malfunction Time
  4. Other
Trouble Area
P17D0
  1. While the ignition switch is turned to ON or directly after the ignition switch is turned to ON
  2. Center differential lock switch stuck ON
  3. 0.3 seconds or more when ignition switch is turned to ON, or 60 seconds or more with ignition switch ON
  4. 1 trip detection logic
  1. Wire harness and connector
  2. 4 wheel drive control ECU
  3. Center differential lock switch (integration control and panel assembly)*1
  4. Center differential lock switch*2, *3
  1. *1: for Automatic Transmission w/ Entry and Start System
  2. *2: for Manual Transmission w/ Entry and Start System
  3. *3: w/o Entry and Start System

WIRING DIAGRAM


Land Cruiser. Urj200, 202 Grj200 Vdj200.Jf2A Transfer 4Wd Awd.Transfer System. Dtc P17D0 Center Differential Lock Control Sw Circuit


INSPECTION PROCEDURE

1.CHECK HARNESS AND CONNECTOR (4 WHEEL DRIVE CONTROL ECU - CENTER DIFFERENTIAL LOCK SWITCH)

  1. Disconnect the A27 4 wheel drive control ECU connector.

  1. for Automatic Transmission w/ Entry and Start System:
    Disconnect the V9 center differential lock switch (integration control and panel assembly) connector.

  1. for Manual Transmission w/ Entry and Start System:
    Disconnect the E178 center differential lock switch connector.

  1. w/o Entry and Start System:
    Disconnect the G24 center differential lock switch connector.

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

    Standard Resistance:
    for Automatic Transmission w/ Entry and Start System:
    Tester Connection
    		Condition
    		Specified Condition
    A27-14 (DL) - V9-9 (CPU)
    		Always
    		Below 1 Ω
    V9-5 (E) - Body ground
    		Always
    		Below 1 Ω
    A27-14 (DL) or V9-9 (CPU) - Body ground
    		Always
    		10 kΩ or higher
    for Manual Transmission w/ Entry and Start System:
    Tester Connection
    		Condition
    		Specified Condition
    A27-14 (DL) - E178-9 (CPU)
    		Always
    		Below 1 Ω
    E178-6 (E) - Body ground
    		Always
    		Below 1 Ω
    A27-14 (DL) or E178-9 (CPU) - Body ground
    		Always
    		10 kΩ or higher
    w/o Entry and Start System:
    Tester Connection
    		Condition
    		Specified Condition
    A27-14 (DL) - G24-9 (CPU)
    		Always
    		Below 1 Ω
    G24-6 (E) - Body ground
    		Always
    		Below 1 Ω
    A27-14 (DL) or G24-9 (CPU) - Body ground
    		Always
    		10 kΩ or higher


NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
OK


2.INSPECT INTEGRATION CONTROL AND PANEL ASSEMBLY OR CENTER DIFFERENTIAL LOCK SWITCH
Land Cruiser. Urj200, 202 Grj200 Vdj200.Jf2A Transfer 4Wd Awd.Transfer System. Dtc P17D0 Center Differential Lock Control Sw Circuit
Land Cruiser. Urj200, 202 Grj200 Vdj200.Jf2A Transfer 4Wd Awd.Transfer System. Dtc P17D0 Center Differential Lock Control Sw Circuit
Land Cruiser. Urj200, 202 Grj200 Vdj200.Jf2A Transfer 4Wd Awd.Transfer System. Dtc P17D0 Center Differential Lock Control Sw Circuit

  1. for Automatic Transmission w/ Entry and Start System:
    Disconnect the V9 center differential lock switch (integration control and panel assembly) connector.

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

    Standard Resistance:
    Tester Connection
    		Condition
    		Specified Condition
    9 (CPU) - 5 (E)
    		Switch not pressed
    		10 kΩ or higher
    Text in Illustration
    *a
    		Component without harness connected
    (Center Differential Lock Switch (Integration Control and Panel Assembly))

  1. for Manual Transmission w/ Entry and Start System:
    Disconnect the E178 center differential lock switch connector.

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

    Standard Resistance:
    Tester Connection
    		Condition
    		Specified Condition
    9 (CPU) - 6(E)
    		Switch not pressed
    		10 kΩ or higher
    Text in Illustration
    *a
    		Component without harness connected
    (Center Differential Lock Switch)

  1. w/o Entry and Start System:
    Disconnect the G24 center differential lock switch connector.

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

    Standard Resistance:
    Tester Connection
    		Condition
    		Specified Condition
    9 (CPU) - 6(E)
    		Switch not pressed
    		10 kΩ or higher
    Text in Illustration
    *a
    		Component without harness connected
    (Center Differential Lock Switch)

    Result:

    Result
    		Proceed to
    OK
    		for LHD
    		A
    for RHD
    		B
    NG
    		 for Automatic Transmission w/ Entry and Start System
    		C
    for Manual Transmission w/ Entry and Start System
    		D
    w/o Entry and Start System
    		E


B
REPLACE 4 WHEEL DRIVE CONTROL ECU (Click here)

C
REPLACE INTEGRATION CONTROL & PANEL ASSEMBLY (Click here)

D
REPLACE TRANSFER POSITION SWITCH (Click here)

E
REPLACE TRANSFER POSITION SWITCH (Click here)
A

REPLACE 4 WHEEL DRIVE CONTROL ECU (Click here)