DESCRIPTION
Detection Item |
Symptom |
Trouble Area |
---|---|---|
4WD Control ECU Communication Stop Mode |
|
|
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
HINT:
PROCEDURE
1. |
CHECK OPEN IN CAN BUS WIRE (4WD CONTROL ECU BRANCH LINE) |
(a) Turn the ignition switch off.
(b) Disconnect the 4WD control ECU connector. Text in Illustration
|
|
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection |
Switch Condition |
Specified Condition |
---|---|---|
D38-14 (CANH) - D38-16 (CANL) |
Ignition switch off |
54 to 69 Ω |
NG | ![]() |
REPAIR OR REPLACE 4WD CONTROL ECU BRANCH WIRE OR CONNECTOR |
|
2. |
CHECK HARNESS AND CONNECTOR (POWER SOURCE TERMINAL) |
(a) Measure the voltage according to the value(s) in the table below. Standard Voltage:
|
|
NG | ![]() |
REPAIR OR REPLACE HARNESS OR CONNECTOR (POWER SOURCE TERMINAL) |
|
3. |
CHECK HARNESS AND CONNECTOR (GROUND TERMINAL) |
(a) Measure the resistance according to the value(s) in the table below. Standard Resistance:
|
|
OK | ![]() |
REPLACE 4WD CONTROL ECU |
NG | ![]() |
REPAIR OR REPLACE HARNESS OR CONNECTOR (GROUND TERMINAL) |
On-vehicle Inspection
ON-VEHICLE INSPECTION
CAUTION / NOTICE / HINT
HINT:
Use the same procedure for the RH side and LH side.
The procedure listed below is for the LH side.
PROCEDURE
1. REMOVE FRONT WHEEL
2. SEPARATE FRONT DISC BRAKE CALIPER ASSEMBLY
3. ...
Speed Signal Circuit
DESCRIPTION
The headlight leveling ECU assembly receives the vehicle speed signal from the
combination meter assembly.
HINT:
A voltage of 12 V or 5 V is output from each ECU and then input to the
combination meter. The signal is changed to a p ...
Terminals Of Ecu
TERMINALS OF ECU
1. CENTER AIRBAG SENSOR ASSEMBLY
Terminal No.
Terminal Symbol
Destination
L31-1
SFL+
Front seat side airbag assembly LH (Side squib LH)
L31-2
...