DESCRIPTION
The multiplex network door ECU receives a back door open/closed signal from the back door lock.
WIRING DIAGRAM
PROCEDURE
1. |
READ VALUE USING TECHSTREAM (BACK DOOR COURTESY LIGHT SWITCH) |
(a) Using the Techstream, read the Data List (See page ).
Tester Display |
Measurement Item/Range |
Normal Condition |
Diagnostic Note |
---|---|---|---|
Back Door Courtesy Switch |
Back door courtesy light switch signal / ON or OFF |
ON: Back door open OFF: Back door closed |
- |
OK:
Tester display changes according to opening and closing of back door.
OK |
PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE |
|
2. |
INSPECT BACK DOOR LOCK ASSEMBLY (BACK DOOR COURTESY LIGHT SWITCH) |
(a) Remove the back door lock (See page ).
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
2 - 3 |
Open-latch |
Below 1 Ω |
Full-latch |
10 kΩ or higher |
Full-latch |
|
Open-latch |
NG |
REPLACE BACK DOOR LOCK ASSEMBLY |
|
3. |
CHECK HARNESS AND CONNECTOR (BACK DOOR LOCK ASSEMBLY - MULTIPLEX NETWORK DOOR ECU) |
(a) Disconnect the W8 back door lock connector.
(b) Disconnect the W10 multiplex network door ECU connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
W8-2 (S) - W10-10 (BDCY) |
Always |
Below 1 Ω |
W8-2 (S) - Body ground |
Always |
10 kΩ or higher |
W8-3 (E) - W10-18 (CTYE) |
Always |
Below 1 Ω |
W8-3 (E) - Body ground |
Always |
10 kΩ or higher |
OK |
REPLACE MULTIPLEX NETWORK DOOR ECU |
NG |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
Open Circuit in Transfer 4WD Position Switch Circuit (C1258,C1340)
DESCRIPTION
DTC Code
DTC Detection Condition
Trouble Area
C1258*1
C1340*2
An open circuit is detected in the EXI circuit of the skid control ECU.
Harness or connector
...
Fail-safe Chart
FAIL-SAFE CHART
1. FAIL-SAFE OPERATION
If there is a problem with sensor signals or hydraulic brake booster
systems, the skid control ECU prohibits power from being supplied to the
hydraulic brake booster and informs the ECM of VSC system fail ...