DESCRIPTION
WIRING DIAGRAM
PROCEDURE
1. |
READ VALUE USING TECHSTREAM (SECURITY COURTESY SWITCH) |
(a) Using the Techstream, read the Data List (See page ).
Tester Display |
Measurement Item/Range |
Normal Condition |
Diagnostic Note |
---|---|---|---|
Hood Courtesy SW |
Security courtesy switch / ON or OFF |
ON: Engine hood open OFF: Engine hood closed |
- |
OK:
ON (engine hood open) and OFF (engine hood closed) appear on screen according to condition of engine hood.
OK |
PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE |
|
2. |
INSPECT SECURITY COURTESY SWITCH |
(a) Disconnect the A19 switch connector. |
|
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
1 (GRD) - 2 (CTYH) |
Unlock position |
Below 1 Ω |
1 (GRD) - 2 (CTYH) |
Lock position |
10 kΩ or higher |
NG |
REPLACE SECURITY COURTESY SWITCH |
|
3. |
CHECK HARNESS AND CONNECTOR (SECURITY COURTESY SWITCH - MAIN BODY ECU AND BODY GROUND) |
(a) Disconnect the A19 switch connector.
(b) Remove the main body ECU (See page ).
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
A19-2 (CTYH) - A-20 (HCTY) |
Always |
Below 1 Ω |
A19-1 (GRD) - Body ground |
Always |
Below 1 Ω |
A19-2 (CTYH) or A-20 (HCTY) - Body ground |
Always |
10 kΩ or higher |
OK |
REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) |
NG |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
Folding down the third row seats (vehicles with third row seats)
Before folding down the third row seats
Pass the seat belts through the seat belt hangers and secure the seat belt
plates.
This prevents the shoulder belts from being damaged.
Make sure that the seat belts are removed from the hangers before using them. ...
Main Body ECU Communication Stop Mode
DESCRIPTION
Detection Item
Symptom
Trouble Area
Main Body ECU Communication Stop Mode
Either condition is met:
"Main Body" is not displayed on the "CAN Bus Check" s ...