DESCRIPTION
Detection Item |
Symptom |
Trouble Area |
---|---|---|
ECM Communication Stop Mode |
|
|
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
HINT:
PROCEDURE
1. |
CHECK CAN BUS WIRE FOR DISCONNECTION (ECM MAIN WIRE) |
(a) Turn the ignition switch off.
(b) for 1AR-FE engine:
(1) Disconnect the connector of the ECM. Text in Illustration
|
|
(2) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection |
Switch Condition |
Specified Condition |
---|---|---|
A49-13 (CANH) - A49-5 (CANL) |
Ignition switch off |
108 to 132 Ω |
(c) for 2GR-FE engine:
(1) Disconnect the connector of the ECM. Text in Illustration
|
|
(2) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection |
Switch Condition |
Specified Condition |
---|---|---|
A41-10 (CANH) - A41-11 (CANL) |
Ignition switch off |
108 to 132 Ω |
NG | ![]() |
REPAIR OR REPLACE CAN BUS MAIN WIRE OR CONNECTOR (ECM MAIN WIRE) |
|
2. |
CHECK HARNESS AND CONNECTOR (POWER SOURCE TERMINAL) |
(a) Check for ECM Power Source Circuit (1AR-FE: See page
, 2GR-FE: See page
).
Result |
Proceed to |
---|---|
OK (for 1AR-FE engine) |
A |
OK (for 2GR-FE engine) |
B |
NG |
C |
A | ![]() |
REPLACE ECM |
B | ![]() |
REPLACE ECM |
C | ![]() |
REPAIR OR REPLACE HARNESS OR CONNECTOR (POWER SOURCE CIRCUIT) |
Fail-safe Chart
FAIL-SAFE CHART
HINT:
If the following conditions are detected while the cruise control is in operation,
the system clears the stored vehicle speed in the ECM and cancels the cruise control
operation.
Vehicle Condition
Auto Cancel ...
Terminals Of Ecu
TERMINALS OF ECU
1. CHECK POSITION CONTROL ECU AND SWITCH ASSEMBLY
(a) Disconnect the T10 and T11 position control ECU and switch assembly connectors.
(b) Measure the voltage and resistance according to the value(s) in the table
below.
HINT:
Measure t ...
Installation
INSTALLATION
PROCEDURE
1. INSTALL REAR BUMPER ASSEMBLY
(a) w/ Intuitive Parking Assist System:
(1) Connect each connector.
(b) Engage the 6 claws and install the rear bumper assembly as shown
in the illustration.
...