DESCRIPTION
Detection Item |
Symptom |
Trouble Area |
---|---|---|
ECM 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. |
SYSTEM CHECK |
(a) Check the vehicle specifications.
Result
Result |
Proceed to |
---|---|
for 2GR-FKS |
A |
for 2TR-FE |
B |
B |
GO TO STEP 4 |
|
2. |
CHECK FOR OPEN IN CAN BUS LINES (ECM MAIN LINE) |
(a) Disconnect the cable from the negative (-) battery terminal.
(b) Disconnect the ECM connector. |
|
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
E13-27 (CANH) - E13-35 (CANL) |
Cable disconnected from negative (-) battery terminal |
108 to 132 Ω |
*a |
Front view of wire harness connector (to ECM) |
NG |
REPAIR OR REPLACE CAN MAIN BUS LINE OR CONNECTOR (ECM MAIN LINE) |
|
3. |
CHECK ECM POWER SOURCE CIRCUIT |
(a) Check the ECM power source circuit.
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OK |
REPLACE ECM |
NG |
REPAIR OR REPLACE HARNESS OR CONNECTOR (POWER SOURCE CIRCUIT) |
4. |
CHECK FOR OPEN IN CAN BUS LINES (ECM MAIN LINE) |
(a) Disconnect the cable from the negative (-) battery terminal.
(b) Disconnect the ECM connector. |
|
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
E20-13 (CANH) - E20-14 (CANL) |
Cable disconnected from negative (-) battery terminal |
108 to 132 Ω |
*a |
Front view of wire harness connector (to ECM) |
NG |
REPAIR OR REPLACE CAN MAIN BUS LINE OR CONNECTOR (ECM MAIN LINE) |
|
5. |
CHECK ECM POWER SOURCE CIRCUIT |
(a) Check the ECM power source circuit.
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OK |
REPLACE ECM |
NG |
REPAIR OR REPLACE HARNESS OR CONNECTOR (POWER SOURCE CIRCUIT) |
Installation
INSTALLATION
CAUTION / NOTICE / HINT
HINT:
The following procedures are for BD22 (w/ Differential Lock).
PROCEDURE
1. INSTALL REAR DIFFERENTIAL CARRIER ASSEMBLY
(a) Clean the contact surfaces of the rear differential carrier assembly and
axle housing.
(b) Install the rear differential carri ...
Open in One Side of Bus 5 Branch Line
DESCRIPTION
When the CAN bus main lines are normal (no open, short to ground, short to +B
or short between lines) and there is an ECU or sensor on the "Communication Bus
Check" screen that is indicated as not communicating or whose connection status
on the "Communication Bus Ch ...
System Diagram
SYSTEM DIAGRAM
Transmitting ECU (Transmitter)
Receiving ECU
Signal
Communication Method
Skid control ECU (Brake actuator assembly)
Steering angle sensor (Spiral cable with sensor sub-assembly)
Steering angl ...