- ABS/VSC/TRAC is not displayed on "CAN Bus Check".
- Applies to "Skid Control ECU Condition Communication Stop Mode" in "DTC Combination Table".
| Last Modified: 11-29-2007 | 1.6 J | |
| Service Category: Power Source/Network | Section: Networking | |
| Model Year: 2008 | Model: Sequoia | Doc ID: RM000002VT6002X |
| Title: NETWORKING: CAN COMMUNICATION SYSTEM: DESCRIPTION (2008 Sequoia) | ||
|
Skid Control ECU Communication Stop Mode |
DESCRIPTION
|
Detection Item |
Symptom |
Trouble Area |
|---|---|---|
|
Skid Control ECU Communication Stop Mode |
When either condition below is met: |
|
WIRING DIAGRAM
INSPECTION PROCEDURE
HINT:
Operating the ignition switch, any switches or any doors triggers related ECU and sensor communication with the CAN, which causes resistance variation.
PROCEDURE
|
1. |
DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL |
(a) Disconnect the cable from the negative (-) battery terminal before measuring the resistances of the main wire and the branch wire.
CAUTION:
Wait at least 90 seconds after disconnecting the cable from the negative (-) battery terminal to disable the SRS system.
|
|
2. |
CHECK FOR OPEN IN CAN BUS WIRE (SKID CONTROL ECU BRANCH WIRE) |
|
(a) Disconnect the A19 skid control ECU. |
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Switch Condition |
Specified Condition |
|---|---|---|
|
A19-5 (CANH) - A19-4 (CANL) |
Ignition switch off |
54 to 69 Ω |
|
|
3. |
CHECK HARNESS AND CONNECTOR (SKID CONTROL ECU - BATTERY AND BODY GROUND) |
(a) Reconnect the cable to the negative (-) battery terminal.
|
(b) Measure the resistance according to the value(s) in the table below. Standard Resistance:
|
(c) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
|
Tester Connection |
Switch Condition |
Specified Condition |
|---|---|---|
|
A19-16 (+BM) - Body ground |
Always |
11 to 14 V |
|
A19-47 (+BS) - Body ground |
||
|
A19-9 (IG1) - Body ground |
Ignition switch ON |
|
|
|