DESCRIPTION
Detection Item |
Symptom |
Trouble Area |
---|---|---|
4WD Control ECU Communication Stop Mode |
Either condition is met:
|
|
WIRING DIAGRAM
CAUTION / NOTICE / HINT
CAUTION:
When performing the confirmation driving pattern, obey all speed limits and traffic laws.
NOTICE:
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DTC check procedure: Turn the ignition switch to ON and wait for 1 minute or more. Then operate the suspected malfunctioning system and drive the vehicle at 60 km/h (37 mph) or more for 5 minutes or more.
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HINT:
PROCEDURE
1. |
CHECK FOR OPEN IN CAN BUS LINES (4 WHEEL DRIVE CONTROL ECU BRANCH LINE) |
(a) Disconnect the cable from the negative (-) battery terminal.
(b) Disconnect the 4 wheel drive control ECU connector. |
|
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
F13-20 (CANH) - F13-40 (CANL) |
Cable disconnected from negative (-) battery terminal |
54 to 69 Ω |
*a |
Front view of wire harness connector (to 4 Wheel Drive Control ECU) |
NG | ![]() |
REPAIR OR REPLACE CAN BRANCH LINE OR CONNECTOR (4 WHEEL DRIVE CONTROL ECU) |
|
2. |
CHECK HARNESS AND CONNECTOR (POWER SOURCE CIRCUIT) |
(a) Disconnect the 4 wheel drive control ECU connector.
(b) Measure the resistance according to the value(s) in the table below. Standard Resistance:
|
|
(c) Connect the cable to the negative (-) battery terminal.
(d) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
Tester Connection |
Switch Condition |
Specified Condition |
---|---|---|
F13-21 (+B) - Body ground |
Always |
11 to 14 V |
F12-4 (IG) - Body ground |
Ignition switch ON |
11 to 14 V |
*a |
Front view of wire harness connector (to 4 Wheel Drive Control ECU) |
OK | ![]() |
REPLACE 4 WHEEL DRIVE CONTROL ECU |
NG | ![]() |
REPAIR OR REPLACE HARNESS OR CONNECTOR (POWER SOURCE CIRCUIT) |
Vehicle Speed Signal Malfunction (B2282,B2283)
DESCRIPTION
DTC B2282 is stored when the vehicle speed signal sent by the combination meter
assembly via direct line and the vehicle speed signal sent via CAN communication
do not match.
DTC B2283 is stored when a malfunction in the vehicle speed sensor is detected.
HINT:
When the cable is d ...
Terminals Of Ecu
TERMINALS OF ECU
1. AIRBAG SENSOR ASSEMBLY
Terminal No.
Terminal Symbol
Destination
A21-1
P2+
Instrument panel passenger without door airbag assembly (Front passenger
side squib 2nd step)
A21-2
...
ABS Warning Light Remains ON
DESCRIPTION
If any of the following is detected, the ABS warning light remains on.
The skid control ECU (master cylinder solenoid) connectors are disconnected
from the skid control ECU (master cylinder solenoid).
There is a malfunction in the skid control ECU (master cylinder soleno ...