[54C] SMART WIRING SYSTEM (SWS) USING SWS MONITOR <Hong Kong spec.> - - INPUT SIGNAL PROCEDURES - INSPECTION PROCEDURE P-5: The column switch (lighting and turn-signal lamp switch) signal is not received. | PRINT PAGE / INDEX / PRIOR / NEXT

INSPECTION PROCEDURE P-5: The column switch (lighting and turn-signal lamp switch) signal is not received.
| CAUTION Whenever the ECU is replaced, ensure that the input signal circuit is normal.
| COMMENTS ON TROUBLE SYMPTOM Input signal from the column switch (lighting switch) is used to operate the functions below. If the signal is abnormal, these functions will not work normally. Lamp reminder function Turn-signal lamp operation sound function Headlamp and tail lamp Turn signal lamp Fog lamp
| POSSIBLE CAUSES Malfunction of the column switch Damaged harness wires and connectors
| DIAGNOSIS PROCEDURE
| Step 1. Check the column switch connector. Check that the wiper and washer switch connector, the lighting switch connector and the switch body connector are in good condition. Q: Is the check result normal? YES: Go to Step 2. NO: Repair the defective connector.
| Step 2. Check the column switch (lighting switch and switch body). Refer to GROUP 54A - Column switch . Q: Is the check result normal? YES: Go to Step 3. NO: Replace the column switch.
| Step 3. ECU check on the SWS monitor Check that the power supply and earth lines to the column switch (column-ECU) and the SWS communication lines are normal. Ignition switch: OFF ECUS TO BE CHECKED Column-ECU OK: "OK" is displayed on the "COLUMN ECU" menu. Q: Is the check result normal? YES: Go to Step 4. NO: Refer to Inspection Procedure A-2 "Communication with the column switch (column-ECU) is not possible" .
| Step 4. Confirm communication data by using the SWS monitor. <Selected item> COLUMN ECU Operate each function of the switch.
Item No. | Item name | Normal conditions
--- | --- | ---
Item 00 | HEADLAMP SW | ON
Item 01 | TAIL LAMP SW | ON
Item 02 | DIMMER SW | ON
Item 03 | PASSING SW | ON
Item 10 | TURN SIG. RH | ON
Item 11 | TURN SIG. LH | ON
OK: Normal conditions are displayed for all the functions of the switch. Q: Is the check result normal? YES: The trouble can be an intermittent malfunction (Refer to GROUP 00 - How to Cope with Intermittent Malfunction ). NO: Replace the column switch.

[54C] SMART WIRING SYSTEM (SWS) USING SWS MONITOR <Hong Kong spec.> - - INPUT SIGNAL PROCEDURES - INSPECTION PROCEDURE P-5: The column switch (lighting and turn-signal lamp switch) signal is not received. | PRINT PAGE / INDEX / PRIOR / NEXT

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