Theft Deterrent System (W/O Entry And Start System) Engine Hood Courtesy Switch Circuit

Vehicle Interior. Land Cruiser. Urj200, 202 Grj200 Vdj200

Theft Deterrent Keyless Entry. Land Cruiser. Urj200, 202 Grj200 Vdj200

INSPECTION PROCEDURE

READ VALUE USING INTELLIGENT TESTER (ENGINE HOOD COURTESY SWITCH)

INSPECT HOOD LOCK ASSEMBLY (ENGINE HOOD COURTESY SWITCH)

CHECK HARNESS AND CONNECTOR (MAIN BODY ECU - HOOD LOCK AND BODY GROUND)

THEFT DETERRENT SYSTEM (w/o Entry and Start System) - Engine Hood Courtesy Switch Circuit

DESCRIPTION

The engine hood courtesy switch is built into the hood lock. This switch turns on when the engine hood is opened and turns off when the engine hood is closed.

WIRING DIAGRAM

Land Cruiser. Urj200, 202 Grj200 Vdj200.Theft Deterrent Keyless Entry.Entry And Start System (For Entry Function).Theft Deterrent System (W/O Entry And Start System) Engine Hood Courtesy Switch Circuit

INSPECTION PROCEDURE

1.READ VALUE USING INTELLIGENT TESTER (ENGINE HOOD COURTESY SWITCH)

Connect the intelligent tester to the DLC3.

Turn the ignition switch to ON.

Turn the intelligent tester on.

Enter the following menus: Body / Main Body / Data List.

Read the Data List according to the display on the intelligent tester.

Main Body
Tester Display
Measurement Item/Range
Normal Condition
Diagnostic Note
Hood Courtesy Switch
Engine hood courtesy switch /
ON or OFF
ON: Engine hood open
OFF: Engine hood closed
-
OK:
ON (engine hood is open) appears on screen.

NG

OK

REPLACE MAIN BODY ECU (COWL SIDE JUNCTION BLOCK ASSEMBLY LH)

2.INSPECT HOOD LOCK ASSEMBLY (ENGINE HOOD COURTESY SWITCH)

for LHD:

Text in Illustration
*a
Unlock Position
*b
Lock Position
1. Remove the hood lock (Click here).
2. Measure the resistance according to the value(s) in the table below.
  Standard Resistance:
  Tester Connection
  Condition
  Specified Condition
  1 - 2
  Unlock position
  10 kΩ or higher
  1 - 2
  Lock position
  Below 1 Ω

for RHD:

Text in Illustration
*a
Unlock Position
*b
Lock Position
1. Remove the hood lock (Click here).
2. Measure the resistance according to the value(s) in the table below.
  Standard Resistance:
  Tester Connection
  Condition
  Specified Condition
  1 - 2
  Unlock position
  10 kΩ or higher
  1 - 2
  Lock position
  Below 1 Ω

NG

REPLACE HOOD LOCK ASSEMBLY (ENGINE HOOD COURTESY SWITCH)

OK

3.CHECK HARNESS AND CONNECTOR (MAIN BODY ECU - HOOD LOCK AND BODY GROUND)

Disconnect the E30 main body ECU connector.

Disconnect the E1 hood courtesy switch connector.

Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection
Condition
Specified Condition
E1-16 (HCTY) - A8-2
Always
Below 1 Ω
A8-1 - Body ground
Always
Below 1 Ω
E1-16 (HCTY) - Body ground
Always
10 kΩ or higher

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

OK

REPLACE MAIN BODY ECU (COWL SIDE JUNCTION BLOCK ASSEMBLY LH)