ENGINE HOOD COURTESY SWITCH CIRCUIT - Highlander Club
ENGINE HOOD COURTESY SWITCH CIRCUIT - Highlander Club
ENGINE HOOD COURTESY SWITCH CIRCUIT - Highlander Club
You also want an ePaper? Increase the reach of your titles
YUMPU automatically turns print PDFs into web optimized ePapers that Google loves.
05-2038<br />
DIAGNOSTICS - THEFT DETERRENT SYSTEM<br />
<strong>ENGINE</strong> <strong>HOOD</strong> <strong>COURTESY</strong> <strong>SWITCH</strong> <strong>CIRCUIT</strong><br />
05ITP-01<br />
<strong>CIRCUIT</strong> DESCRIPTION<br />
The hood door courtesy switch is built in the engine hood lock assembly. The switch comes on when the<br />
engine hood is opened and goes off when the engine hood is closed.<br />
WIRING DIAGRAM<br />
Theft Warning ECU Assy<br />
A<br />
W-B<br />
J1<br />
J/C<br />
E3<br />
Security Courtesy Switch<br />
(Engine Hood Courtesy Switch)<br />
2<br />
1<br />
G-B<br />
15<br />
IK3<br />
G<br />
6<br />
IL2<br />
W<br />
34<br />
T4<br />
DSWH<br />
EG<br />
B51273<br />
INSPECTION PROCEDURE<br />
1 INSPECT SECURITY <strong>COURTESY</strong> <strong>SWITCH</strong><br />
Not Pushed (ON)<br />
Security<br />
Courtesy Switch<br />
(a)<br />
(b)<br />
Remove the courtesy switch.<br />
Measure the resistance of the switch.<br />
Tester Connection Condition Specified Condition<br />
Pushed<br />
(OFF)<br />
1-2 Pushed (OFF (Lock)) 10 kΩ or higher<br />
1-2 Not pushed (ON (Unlock)) Below 1 Ω<br />
I04148<br />
NG<br />
REPLACE SECURITY <strong>COURTESY</strong> <strong>SWITCH</strong><br />
OK<br />
2005 HIGHLANDER REPAIR MANUAL (RM1144U)<br />
Author:<br />
Date:<br />
2228
DIAGNOSTICS<br />
-<br />
THEFT DETERRENT SYSTEM<br />
05-2039<br />
2 CHECK WIRE HARNESS<br />
(THEFT WARNING ECU ASSY - SECURITY <strong>COURTESY</strong> <strong>SWITCH</strong><br />
Wire Harness Side<br />
E3<br />
Security Courtesy Switch<br />
(a)<br />
(b)<br />
(c)<br />
Disconnect the T4 ECU connector.<br />
Disconnect the E3 switch connector.<br />
Measure the resistance between the wire harness side<br />
connectors.<br />
Standard:<br />
Tester Connection<br />
Specified Condition<br />
T4-34 (DSWH) - E3-1 Below 1 Ω<br />
T4<br />
Theft Warning ECU Assy<br />
B77252<br />
NG REPAIR OR REPLACE HARNESS AND<br />
CONNECTOR<br />
OK<br />
3 CHECK WIRE HARNESS<br />
(SECURITY <strong>COURTESY</strong> <strong>SWITCH</strong> - BODY GROUND)<br />
Wire Harness Side<br />
E3<br />
Security Courtesy Switch<br />
(a)<br />
(b)<br />
Disconnect the E3 switch connector.<br />
Measure the resistance between the wire harness side<br />
connector and body ground.<br />
Standard:<br />
Tester Connection<br />
Specified Condition<br />
E3-2 - Body ground Below 1 Ω<br />
B31016<br />
NG REPAIR OR REPLACE HARNESS AND<br />
CONNECTOR<br />
OK<br />
REPLACE THEFT WARNING ECU ASSY<br />
2005 HIGHLANDER REPAIR MANUAL (RM1144U)<br />
Author:<br />
Date:<br />
2229
Change language