DESCRIPTION
DTC output mode is set by connecting terminals TC and CG of the DLC3.
The DTCs are displayed by blinking the SRS warning light.
HINT:
WIRING DIAGRAM
PROCEDURE
1. |
CHECK HARNESS AND CONNECTOR (DLC3 - ECM) |
*A |
for 2GR-FKS |
*B |
for 2TR-FE |
*a |
DLC3 |
*b |
Front view of wire harness connector (to ECM) |
(a) Turn the ignition switch off.
(b) Disconnect the connector from the ECM.
(c) 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 |
Tester Connection |
Condition |
Specified Condition |
---|---|---|
D4-13 (TC) - E21-19 (TC) |
Always |
Below 1 Ω |
NG | ![]() |
REPAIR OR REPLACE HARNESS, ECU OR CONNECTOR |
|
2. |
CHECK HARNESS AND CONNECTOR (CG OF DLC3 - BODY GROUND) |
(a) Measure the resistance according to the value(s) in the table below. Standard Resistance:
|
|
NG | ![]() |
REPAIR OR REPLACE HARNESS, ECU OR CONNECTOR |
|
3. |
CHECK HARNESS AND CONNECTOR (TC CIRCUIT OF ECM) |
(a) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
for 2GR-FKS
Tester Connection |
Condition |
Specified Condition |
---|---|---|
E14-20 (TC) - Body ground |
Always |
1 MΩ or higher |
Tester Connection |
Condition |
Specified Condition |
---|---|---|
E21-19 (TC) - Body ground |
Always |
1 MΩ or higher |
NG | ![]() |
REPAIR OR REPLACE HARNESS, ECU OR CONNECTOR |
|
4. |
CHECK DTC |
SST: 09843-18040
(a) Using SST, connect terminals TC and CG of the DLC3. NOTICE: Connect the terminals to the correct positions to avoid a malfunction. Text in Illustration
|
|
A | ![]() |
USE SIMULATION METHOD TO CHECK |
B | ![]() |
REPLACE ECM |
C | ![]() |
REPLACE ECM |
D | ![]() |
REPLACE AIRBAG SENSOR ASSEMBLY |
Open / Short in Steering Lock ECU (B2781)
DESCRIPTION
The steering lock ECU and steering lock motor are built into the steering lock
actuator assembly.
The steering lock ECU (steering lock actuator or UPR bracket assembly) detects
whether the steering lock is in the lock or unlock position by using the lock sensor
and unlock sensor ...
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DESCRIPTION
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DESCRIPTION
Detection Item
Symptom
Trouble Area
Certification ECU Communication Stop Mode
Either condition is met:
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