DESCRIPTION
The main body ECU (driver side junction block assembly) detects the condition of the parking brake switch.
WIRING DIAGRAM
PROCEDURE
1. |
READ VALUE USING TECHSTREAM |
(a) Connect the Techstream to the DLC3.
(b) Turn the ignition switch to ON.
(c) Turn the Techstream on.
(d) Enter the following menus: Body Electrical / Main Body / Data List.
(e) Read the display on the Techstream.
Main Body
Tester Display |
Measurement Item/Range |
Normal Condition |
Diagnostic Note |
---|---|---|---|
Parking Brake SW |
Parking brake SW signal/ON or OFF |
ON: Parking brake switch on OFF: Parking brake switch off |
- |
OK:
Normal conditions listed above are displayed.
OK |
PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE |
|
2. |
INSPECT PARKING BRAKE SWITCH ASSEMBLY |
(a) Remove the parking brake switch assembly (See page ). |
|
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
1 - Switch body |
Shaft pushed in (OFF) |
10 kΩ or higher |
1 - Switch body |
Shaft not pushed in (ON) |
Below 1 Ω |
NG |
REPLACE PARKING BRAKE SWITCH ASSEMBLY |
|
3. |
CHECK HARNESS AND CONNECTOR (SWITCH - MAIN BODY ECU (DRIVER SIDE JUNCTION BLOCK ASSEMBLY)) |
(a) Disconnect the 2C main body ECU (driver side junction block assembly) connector. |
|
(b) Disconnect the L15 parking brake switch assembly connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
2C-7 - L15-1 |
Always |
Below 1 Ω |
2C-7 - Body ground |
Always |
10 kΩ or higher |
*1 |
Front view of wire harness connector: (to Main Body ECU (Driver Side Junction Block Assembly)) |
*2 |
Front view of wire harness connector (to Parking Brake Switch Assembly) |
OK |
REPLACE MAIN BODY ECU (DRIVER SIDE JUNCTION BLOCK ASSEMBLY) |
NG |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
Evaporator Temperature Sensor Circuit (B1413/13)
DESCRIPTION
The evaporator temperature sensor is installed on the evaporator in the air conditioning
unit to detect the cooled air temperature that has passed through the evaporator
and to control the air conditioning. It sends appropriate signals to the ...
Terminals Of Ecu
TERMINALS OF ECU
HINT:
Check from the rear of the connector while it is connected to the components.
1. NAVIGATION RECEIVER ASSEMBLY
Terminal No. (Symbol)
Wiring Color
Terminal Description
Condition
...
Horn System
Precaution
PRECAUTION
NOTICE:
When disconnecting the cable from the negative (-) battery terminal, initialize
the following system after the cable is reconnected.
System Name
See Procedure
Back Door Closer System
...