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 |
Skid Control ECU Communication Stop Mode
DESCRIPTION
Detection Item
Symptom
Trouble Area
Skid Control ECU Communication Stop Mode
"ABS/VSC/TRAC" is not displayed on "CAN Bus Check" screen of
the Techstr ...
Problem Symptoms Table
PROBLEM SYMPTOMS TABLE
HINT:
Use the table below to help determine the cause of problem symptoms.
If multiple suspected areas are listed, the potential causes of the symptoms
are listed in order of probability in the "Suspected Area" ...
Relay
On-vehicle Inspection
ON-VEHICLE INSPECTION
PROCEDURE
1. INSPECT STARTER RELAY
(a) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection
Condition
...