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.
Click here
OK |
REPLACE ECM |
NG |
REPAIR OR REPLACE HARNESS OR CONNECTOR (POWER SOURCE CIRCUIT) |
System Diagram
SYSTEM DIAGRAM
Component
Outline
Engine switch
Transponder key amplifier
Turns on the power and starts the engine.
Contains a built-in transponder key amplifier to start the engine
when the key does ...
Problem Symptoms Table
PROBLEM SYMPTOMS TABLE
HINT:
Use the table below to help determine the cause of problem symptoms. If multiple
suspected areas are listed, the potential causes of the symptoms are listed in order
of probability in the "Suspected Area" column of the table. Check each symptom by
check ...
Air Mix Damper Position Sensor Circuit (Passenger Side) (B1431/31)
DESCRIPTION
This sensor detects the position of the air mix damper (for front passenger side)
and sends the appropriate signals to the air conditioning amplifier assembly. The
position sensor is built into the No. 2 air conditioning radiator damper servo sub-assembly
(for front passenger side ...