2018 / ECLIPSE CROSS / EC - Workshop Manual
54 -CHASSIS ELECTRICAL > 54A-CHASSIS ELECTRICAL > TURN-SIGNAL LAMP > SYMPTOM PROCEDURES > TURN-SIGNAL LAMPS DO NOT FLASH.
Inspection Procedure 1: None of the turn-signal lamps illuminate.
| caution | - Before replacing the ECU, ensure that the power supply circuit, the earth circuit and the communication circuit are normal.
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COMMENTS ON TROUBLE SYMPTOM
If all the turn-signal lamps do not illuminate, the ignition switch (IG1), the turn-signal lamp switch input circuit or the ETACS-ECU may have a problem.
PROBABLE CAUSES
- Malfunction of column switch
- Malfunction of the ETACS-ECU
- Damaged harness wires and connectors
DIAGNOSIS PROCEDURE
STEP 1. M.U.T.-IIISE diagnosis code
STEP 2. M.U.T.-IIISE data list
Using the ETACS-ECU service data, check the signals related to the illumination of turn-signal lamp.- Turn the ignition switch to the "ON" position.
- Turn the turn-signal lamp switch to the left position.
| | | Item No. | Item name | Normal condition | | 79 | IG voltage | System voltage | | 17 | Turn switch left | ON |
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- Turn the turn-signal lamp switch to the right position.
| | | Item No. | Item name | Normal condition | | 18 | Turn switch right | ON |
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OK: Normal conditions are displayed for all the items.
Is the check result normal?
Normal conditions are displayed for all the items. : Go to Step 3
. Normal condition is not displayed for item No. 79. : Troubleshoot the ETACS-ECU (Refer to Inspection Procedure 2 "The ignition switch (IG1) signal is not received" .). Normal condition is not displayed for item No. 17 or 18. : Troubleshoot the ETACS-ECU (Refer to Inspection Procedure 11 "The column switch signal is not received" .).
STEP 3. Retest the system.
Troubleshoot the ETACS-ECU. (Refer to 
Go to Step 2.