ANTI-LOCK BRAKE SYSTEM (for Sedan) > TC and CG Terminal Circuit |
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DESCRIPTION
Connecting terminals TC and CG of the DLC3 causes the ECU to display the DTC by blinking the ABS warning light.WIRING DIAGRAM
- HINT:
- When the warning lights continue to blink, there may be a ground short in the wiring of terminal TC of the DLC3 or an internal ground short in one or more ECUs.
INSPECTION PROCEDURE
1.CHECK CAN COMMUNICATION SYSTEM |
Check if CAN communication system DTCs are output (Click here).
Result Result Proceed to DTC is not output A DTC is output B
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A | |
2.INSPECT DLC3 |
Turn the ignition switch to ON.
Measure the voltage according to the value(s) in the table below.
- Standard Voltage:
Tester Connection Switch Condition Specified Condition D15-13 (TC) - D15-4 (CG) Ignition switch ON 11 to 14 V
Text in Illustration *a Front view of DLC3 Result Result Proceed to NG A OK B
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A | |
3.CHECK HARNESS AND CONNECTOR (TC of DLC3 - ECM) |
Turn the ignition switch off.
Disconnect the A21 ECM connector.
Measure the resistance according to the value(s) in the table below.
- Standard Resistance:
Tester Connection Condition Specified Condition D15-13 (TC) - A21-27 (TC) Always Below 1 Ω D15-13 (TC) - Body ground Always 10 kΩ or higher
Reconnect the A58 ECM connector.
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OK | |
4.CHECK HARNESS AND CONNECTOR (CG of DLC3 - BODY GROUND) |
Measure the resistance according to the value(s) in the table below.
- Standard Resistance:
Tester Connection Condition Specified Condition D15-4 (CG) - Body ground Always Below 1 Ω
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OK | |
5.INSPECT ECM (TC of DLC3 INPUT) |
- SST
- 09843-18040
Turn the ignition switch off.
Using SST, connect terminals TC and CG of the DLC3.
Turn the ignition switch to ON.
Check that the Malfunction Indicator Lamp (MIL) is blinking.
Text in Illustration *a Front view of DLC3 Result Result Proceed to Malfunction Indicator Lamp (MIL) is blinking A Malfunction Indicator Lamp (MIL) is not blinking B
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A | ||
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