DTC P0703-62 / P0703-68 / P0719-13
Precautions: Precautions for Diagnosing Trouble · Precautions for Disassembly and Reassembly · Precautions for Transmission / Transaxle · General safety (00)
DTC Detecting Condition and Trouble Area
| DTC detecting condition | Trouble area |
|---|---|
|
P0703-62: Brake Switch “B” – Signal Compare Failure Brake switch signal from wire and brake switch signal via CAN disagree. (1 D/C detection logic) |
•Brake light switch and/or its circuit
•ECM •TCM |
|
P0703-68: Brake Switch “B” – Event Information TCM confirms P0703-68 if both P0719-13 and P0571-24 are confirmed. (1 D/C detection logic) |
|
|
P0719-13: Brake Switch “B” Circuit Low – Circuit Open Brake switch circuit is open. (1 D/C detection logic) |
DTC Confirmation Procedure
WARNING:
If you do not select a suitable route and take proper precautions when performing a road test, an accident can occur.
•Select a level road with no traffic to minimize the risk of accident.
•Perform the test extremely carefully.
•Perform the road test with 2 persons, a driver and a tester.
•Perform the test extremely carefully.
•Perform the road test with 2 persons, a driver and a tester.
NOTE:
Check that the following condition is satisfied in this procedure.
•11 V < Battery voltage < 15 V
1)Start engine and drive vehicle.
DTC Troubleshooting
| Step | Action | Yes | No |
|---|---|---|---|
| 1 |
Was “Twin Clutch System Check” performed?
|
Go to Step 2.
|
Go to Twin Clutch System Check.
|
| 2 |
DTC check
Is there any DTC(s) other than P0703-62, P0703-68 and P0719-13?
|
Go to troubleshooting for applicable DTC.
|
Go to Step 3.
|
| 3 |
Parameter check
1)With ignition “OFF”, connect SUZUKI scan tool to DLC.
2)Set ignition “ON”.
3)Check “Brake status via CAN” parameter displayed on SUZUKI scan tool with brake pedal operating.
Is check result OK?
|
Check for intermittent trouble.
|
Go to Step 4.
|
| 4 |
DTC check
1)Check DTC in ECM.
Is check result OK?
|
Go to DTC P0504:D16AA.
|
Repair TCM and recheck DTC.
|