#
NO.3 EVEN WHEN HEADLIGHT SWITCH IS TURNED ON, DAYTIME SCREEN DOES NOT CHANGE TO NIGHT TIME SCREEN. (FRONT AND REAR COMBINATION LIGHTS OPERATE NORMALLY.)

BHE090366000W04

3 | Even when headlight switch is turned on, daytime screen does not change to night time screen. (Front and rear combination lights operate normally.)
TROUBLESHOOTING HINTS • Malfunction in TNS (+) signal line of LCD unit – LCD unit malfunction – Malfunction in wiring harness between LCD unit and TNS relay

Diagnostic procedure

STEP | INSPECTION | ACTION
--- | --- | ---
1* | • Turn headlight switch on. • Measure voltage at the following terminal of LCD unit connector (24-pin): – Terminal 1V (TNS (+) signal) • Is voltage 10 V or more? | Yes | Replace LCD unit (available at Panasonic service center) or get it repaired at Panasonic service center, then go to next step.
No | Repair wiring harness between LCD unit and TNS relay, then go to next step.
2 | • When headlight switch is turned on, does daytime screen change to night time screen? | Yes | Complete troubleshooting, then explain repairs to customer.
No | Recheck malfunction symptoms, then repeat from Step 1 if malfunction recurs.