Toyota Corolla Cross: Engine Hood Courtesy Switch Circuit
DESCRIPTION
The engine hood courtesy switch is built into the hood lock assembly. This switch turns on when the engine hood is closed and turns off when the engine hood is opened.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
Before replacing the main body ECU (multiplex network body ECU), refer to Registration.
- for HEV Model:
Click here
.gif)
- for Gasoline Model:
Click here
PROCEDURE
|
1. | READ VALUE USING GTS |
(a) Read the Data List according to the display on the GTS.
Body Electrical > Main Body > Data List|
Tester Display | Measurement Item |
Range | Normal Condition |
Diagnostic Note |
|---|---|---|---|---|
|
Hood Courtesy Switch Status |
Engine hood courtesy switch |
Close or Open | Close: Engine hood closed Open: Engine hood open |
- |
OK:
The GTS display changes correctly in response to the engine hood courtesy switch (hood lock assembly) status.
Body Electrical > Main Body > Data List|
Tester Display |
|---|
| Hood Courtesy Switch Status |
| OK | .gif) | REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) |
|
.gif)
| 2. |
INSPECT ENGINE HOOD COURTESY SWITCH (HOOD LOCK ASSEMBLY) |
Click here
| NG | | REPLACE ENGINE HOOD COURTESY SWITCH (HOOD LOCK ASSEMBLY) |
|
| 3. |
CHECK HARNESS AND CONNECTOR (ENGINE HOOD COURTESY SWITCH (HOOD LOCK ASSEMBLY) - MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) AND BODY GROUND) |
(a) Disconnect the I85 main body ECU (multiplex network body ECU) connector.
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection | Condition |
Specified Condition |
|---|---|---|
|
A8-2 (+) - I85-27 (HCTY) |
Always | Below 1 Ω |
|
A8-2 (+) or I85-27 (HCTY) - Other terminals and body ground |
Always | 10 kΩ or higher |
|
A8-1 (E) - Body ground |
Always | Below 1 Ω |
| OK | | REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) |
| NG | | REPAIR OR REPLACE HARNESS OR CONNECTOR |
READ NEXT:
Horn Circuit
DESCRIPTION When the theft deterrent system is switched from the armed state to the alarm sounding state, the main body ECU (multiplex network body ECU) transmits a signal to cause the horn to sound a
Security Horn Circuit
DESCRIPTION When the theft deterrent system is switched from the armed state to the alarm sounding state, the main body ECU (multiplex network body ECU) transmits a signal to cause the security horn a
Transponder Key Amplifier
RemovalREMOVAL CAUTION / NOTICE / HINT COMPONENTS (REMOVAL)
Procedure Part Name Code
1 LOWER STEERING COLUMN COVER
45287
- -
2 T
SEE MORE:
DC/DC Converter Stuck On (P0A949E,P0D3319)
DTC SUMMARY MALFUNCTION DESCRIPTION This DTC indicates that a large current flowed in the boost converter. The cause of this malfunction may be one of the following:
Area Main Malfunction Description
Hybrid vehicle transaxle assembly
Open or short circuit in the motor
TCM Processor Watchdog/Safety MCU Failure (P061347)
DESCRIPTION
The TCM continuously monitors its CPU. If the output of the CPU deviates from
the standard, the TCM will illuminate the MIL and store this DTC.
DTC No.
Detection Item
DTC Detection Condition
Trouble Area
MIL
Memory
