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 |
Pattern Select Switch Power Mode Circuit
DESCRIPTION
The ECM memory contains the programs for the normal and PWR shift patterns.
By following the programs corresponding to the signals from the pattern select
switch assembly, park/neutral position switch and other various sensors, the ECM
switches the shift solenoid valves on and off, ...
On-vehicle Inspection
ON-VEHICLE INSPECTION
PROCEDURE
1. INSPECT SPEEDOMETER
(a) Check speedometer operation.
NOTICE:
The meter ECU receives the vehicle speed signal from the skid control
ECU via CAN communication. Therefore, perform the following inspection referring
to values on the Data List of th ...
Precaution
PRECAUTION
1. EXPRESSIONS OF IGNITION SWITCH
HINT:
The type of ignition switch used on this model differs according to the specifications
of the vehicle. The expressions listed in the table below are used in this section.
Expression
Ignition Switch
(Position)
...