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
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
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 ) Text in Illustration
|
|
(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 |
Pressure Sensor or Switch (C1254)
DESCRIPTION
The accumulator pressure sensor is connected to the skid control ECU in the master
cylinder solenoid.
DTC No.
DTC Detecting Condition
Trouble Areas
C1254
Accumulator pressure sensor fault
(Fluid pressure does not chang ...
Problem Symptoms Table
PROBLEM SYMPTOMS TABLE
HINT:
Troubleshooting of the theft deterrent system is based on the premise
that the power door lock control system, wireless door lock control system*1
and smart key system*2 are operating normally. Accordingly, before troubleshooting
the theft deterrent ...
On-vehicle Inspection
ON-VEHICLE INSPECTION
PROCEDURE
1. INSPECT FRONT AXLE HUB BEARING
(a) Remove the front wheel.
(b) for 4WD:
(1) Remove the front axle hub grease cap (See page
).
(c) Remove the front disc brake caliper (See page
).
(d) Remove the front disc.
(e) Inspect the axle hub backlash.
(1) Usi ...