DESCRIPTION
Tire pressure warning system DTCs can be checked by connecting terminals 13 (TC) and 4 (CG) of the DLC3. The DTCs are indicated by blinking the tire pressure warning light.
WIRING DIAGRAM
PROCEDURE
1. |
CHECK CAN COMMUNICATION SYSTEM |
(a) Check for DTCs (See page
).
Result |
Proceed to |
---|---|
DTCs are not output. |
A |
DTCs are output. |
B |
B | ![]() |
GO TO CAN COMMUNICATION SYSTEM |
|
2. |
CHECK DTC (C2179/79) |
(a) Check if DTC C2179/79 is output (See page
).
Result |
Proceed to |
---|---|
DTC C2179/79 is not output. |
A |
DTC C2179/79 is output. |
B |
B | ![]() |
GO TO DTC (C2179/79) |
|
3. |
INSPECT DLC3 |
(a) Turn the ignition switch to ON. Text in Illustration
|
|
(b) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
Tester Connection |
Switch Condition |
Specified Condition |
---|---|---|
D4-13 (TC) - D4-4 (CG) |
Ignition switch ON |
11 to 14 V |
NG | ![]() |
GO TO STEP 5 |
|
4. |
REPLACE ECM |
(a) Turn the ignition switch off. Text in Illustration
|
|
(b) Replace the ECM.
for 2GR-FKS: (See page
)
for 2TR-FE: (See page
)
(c) Using SST, connect terminals TC and CG of the DLC3.
SST: 09843-18040
(d) Check that the tire pressure warning light is blinking.
OK:
The tire pressure warning light is blinking.
HINT:
If troubleshooting has been carried out according to Problem Symptoms Table,
refer back to the table and proceed to the next step before replacing the part (See
page ).
OK | ![]() |
END |
NG | ![]() |
PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE |
5. |
CHECK HARNESS AND CONNECTOR (TC of DLC3 - ECM) |
(a) Disconnect the A43 ECM connector.
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
for 2GR-FKS:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
D4-13 (TC) - E14-20 (TC) |
Always |
Below 1 Ω |
D4-13 (TC) or E14-20 (TC) - Body ground |
Always |
10 kΩ or higher |
Standard Resistance:
for 2TR-FE:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
D4-13 (TC) - E21-19 (TC) |
Always |
Below 1 Ω |
D4-13 (TC) or E21-19 (TC) - Body ground |
Always |
10 kΩ or higher |
NG | ![]() |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
6. |
CHECK HARNESS AND CONNECTOR (CG of DLC3 - BODY GROUND) |
(a) Measure the resistance according to the value(s) in the table below. Standard Resistance:
HINT: If troubleshooting has been carried out according to Problem Symptoms
Table, refer back to the table and proceed to the next step before replacing
the part (See page |
|
NG | ![]() |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
7. |
REPLACE ECM |
(a) Replace the ECM. for 2GR-FKS: (See page for 2TR-FE: (See page
|
|
(b) Using SST, connect terminals TC and CG of the DLC3.
SST: 09843-18040
(c) Check that the tire pressure warning light is blinking.
OK:
The tire pressure warning light is blinking.
HINT:
If troubleshooting has been carried out according to Problem Symptoms Table,
refer back to the table and proceed to the next step before replacing the part (See
page ).
OK | ![]() |
END |
NG | ![]() |
PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE |
Road Test
ROAD TEST
PROBLEM SYMPTOM CONFIRMATION
HINT:
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constant speed control mode and vehicle-to-vehicle distance control mode.
Vehicle-to-vehicle distance control mode is selected by default when
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Front Camera Module Incorrect Axial Gap (C1AA8)
DESCRIPTION
If the millimeter wave radar sensor assembly detects that the beam axis of the
forward recognition camera is misaligned, it will store DTC C1AA8.
DTC No.
Detection Item
DTC Detection Condition
Trouble Area
C1AA8
...
Replacement
REPLACEMENT
PROCEDURE
1. REPLACE AUTOMATIC TRANSMISSION FLUID
(a) Lift the vehicle. [*1]
NOTICE:
Set the vehicle on a lift so that the vehicle is kept level when it is lifted
up (make sure that the tilt angle from the front to rear of the vehicle is within
+/-1°).
(b) Remove th ...