T–230
TROUBLESHOOTING
Diagnostic procedure
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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.)
A6E818066000W04
Diagnostic procedure
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AIR BAG SYSTEM
A6E818001046W01
Troubleshooting Index
•
Use the chart below verify the symptoms of the trouble in order to diagnose the appropriate area.
STEP
INSPECTION
ACTION
1
•
Disconnect car-navigation unit connector
(16-pin).
•
Jack up vehicle and run engine at low speed.
•
Measure voltage at the following terminal of
car-navigation unit connector (16-pin):
— Terminal 2H (Vehicle speed signal)
•
Is voltage
approx. 2.5 V
(reference)?
Note
•
Vehicle speed signal is in electrical pulses
of
approx. 0 V to 5 V
.
Yes
Replace car-navigation unit (available at Clarion service
center) or get it repaired at Panasonic service center, then
go to Step 4.
No
Go to next step.
2*
•
Disconnect ABS (ABS/TCS) HU/CM
connector (28-pin) or DSC HU/CM connector
(34-pin).
•
Is there continuity between car-navigation
unit connector (16-pin) terminal 2H and ABS
(ABS/TCS) HU/CM connector (28-pin)
terminal V, or car-navigation unit connector
(16-pin) terminal 2H and DSC HU/CM
connector (34-pin) terminal AE?
Yes
Go to next step.
No
Repair wiring harness between car-navigation unit and ABS
(ABS/TCS) HU/CM, or car-navigation unit and DSC HU/CM,
then go to Step 4.
3
•
Inspect wiring harness between car-
navigation unit connector (16-pin) terminal
2H and and ABS (ABS/TCS) HU/CM
connector (28-pin) terminal V, or car-
navigation unit connector (16-pin) terminal
2H and DSC HU/CM connector (34-pin)
terminal AE for short to ground.
•
Is there short to ground?
Yes
Repair wiring harness between car-navigation unit and ABS
(ABS/TCS) HU/CM, or car-navigation unit and DSC HU/CM,
then go to next step.
No
Replace instrument cluster, then go to next step.
4
•
Does vehicle locator mark operate normally?
Yes
Complete troubleshooting, then explain repairs to customer.
No
Recheck malfunction symptoms, then repeat from Step 1 if
malfunction recurs.
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
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.
No.
Troubleshooting item
Description
Page
1
Air bag system warning light does not
illuminate.
Malfunction in air bag system warning
circuit (short to ground).
(See
T–231 NO.1 AIR BAG SYSTEM
WARNING LIGHT DOES NOT
ILLUMINATE
)
Содержание 6 2002
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Страница 411: ...K 4 LOCATION INDEX AUTOMATIC TRANSAXLE LOCATION INDEX A6E560001074W01 LOCATION INDEX A6E5600W001...
Страница 526: ...TROUBLESHOOTING K 115 K QUICK DIAGNOSIS CHART A6E568001030W04 A6E5680W001...
Страница 527: ...K 116 TROUBLESHOOTING End Of Sie A6E5680W002...
Страница 653: ...ON BOARD DIAGNOSTIC ABS TCS P 57 P...
Страница 701: ...TROUBLESHOOTING ABS TCS DYNAMIC STABILITY CONTROL P 105 P Vehicle with ABS TCS A6E6980W002...
Страница 702: ...P 106 TROUBLESHOOTING ABS TCS DYNAMIC STABILITY CONTROL Vehicle with DSC End Of Sie A6E6980W100...
Страница 819: ...OUTSIDE MIRROR S 60 2 THIS PAGE IS INTENTIONALLY LEFT BLANK End Of Sie...
Страница 971: ...T 76 WARNING AND INDICATOR SYSTEM Operating Order A6E8118W009...
Страница 1150: ...U 4 LOCATION INDEX End Of Sie CONTROL SYSTEM A6E850001042W01 L H D A6E8500W003 A6E8500W004...
Страница 1152: ...U 6 LOCATION INDEX R H D A6E8500W005 A6E8500W006...
Страница 1177: ...U 26 BASIC SYSTEM 12 Perform the refrigerant system performance test See U 13 REFRIGERANT SYSTEM PERFORMANCE TEST A6E8516W029...