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
INSPECTION PROCEDURE
PROCEDURE
READ VALUE USING INTELLIGENT TESTER (ENGINE HOOD COURTESY SWITCH)
Using the intelligent tester, read the Data List.
Tester Display | Measurement Item/Range | Normal Condition | Diagnostic Note |
---|---|---|---|
Hood Courtesy SW | Engine hood courtesy switch / ON or OFF |
ON: Engine hood is open OFF: Engine hood is closed |
- |
OK |
---|
ON (engine hood is open) appears on screen. |
NG |
INSPECT HOOD LOCK ASSEMBLY (ENGINE HOOD COURTESY SWITCH) Click here |
OK |
REPLACE MAIN BODY ECU (INSTRUMENT PANEL JUNCTION BLOCK)
INSPECT HOOD LOCK ASSEMBLY (ENGINE HOOD COURTESY SWITCH)
Remove the hood lock Click here.
Measure the resistance according to the value(s) in the table below.
Standard Resistance | |||||||||
---|---|---|---|---|---|---|---|---|---|
|
NG |
REPLACE HOOD LOCK ASSEMBLY (ENGINE HOOD COURTESY SWITCH) Click here |
OK |
CHECK HARNESS AND CONNECTOR (MAIN BODY ECU [INSTRUMENT PANEL JUNCTION BLOCK] - HOOD LOCK AND BODY GROUND)
*1 | Front view of wire harness connector (to Main Body ECU [Instrument Panel Junction Block]) |
*2 | Front view of wire harness connector (to Hood Lock) |
Disconnect the D81 ECU connector.
Disconnect the A33 switch connector.
Measure the resistance according to the value(s) in the table below.
Standard Resistance | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
|
NG |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
OK |
REPLACE MAIN BODY ECU (INSTRUMENT PANEL JUNCTION BLOCK)