1997 MITSUBISHI TRITON Workshop Manual

C
O M BIN ATIO N M ETE R S 54300290125
R EM OVA L A ND IN STA LLA TIO N

M
ark in gs E
arth ( ± ) F
uel g auge
( F U )

E
arth ( ± ) P
ow er
s u pply ( + )

CHASSIS ELECTRICAL ± Multi-Meter54-35
MULTI-METER54300720266
TROUBLESHOOTING
INSPECTION CHART FOR TROUBLE SYMPTOMS
Trouble symptomInspection procedure No.Reference page
Actual outside temperature is different from
thermometer.154-35
Outside temperature is not displayed.254-36
INSPECTION PROCEDURE FOR TROUBLE SYMPTOMS
Inspection Procedure 1
Actual outside temperature is different from thermometer.
Probable cause
The defective internal resistance of the thermo sensor or thermometer may be present.
Malfunction of outside thermo sensor

Malfunction of harness or connector

Malfunction of thermometer
OK
Check trouble symptom.NGCheck the harness between outside
thermo sensor and multi-meter. Repair
if necessary.
OK
Replace the thermometer.
OK
Measure at the multi-meter connector
C-45.

Connect the connector and measure
voltage of the sensor at the following
temperature.

Voltage between terminals (5) ± (13)
OK:3.42 V (when display tempera-
ture is 0C)
2.46 V (when display tempera-
ture is 20C)
1.61 V (when display tempera-
ture is 40C)NGCheck the following connectors:
A-25, C-01, C-44, C-45NG
Repair
Check internal resistance of the thermo
sensor. (Refer to P.54-38.)NG
Replace

P
ro bab le c au se O
K C
heck tr o uble s ym pto m . N
G C
heck th e h arn ess w ir e b etw een ju nc-
t io n b lo ck ( IG 1) a nd th erm om ete r. R e-
p air if n ece ssa ry . O
K 2
. NG C
heck tr o uble s ym pto m . N
G C
heck th e h arn ess w ir e b etw een th er-
m om ete r a nd b ody e arth . R epair if n ec-
e ssa ry . C
heck tr o uble s ym pto m . N
G C
heck th e h arn ess b etw een th erm om e-
t e r a nd o uts id e th erm o s e nso r. R epair
i f n ece ssa ry . N
G
Rep air R
epla ce th e th erm om ete r. M
easu re a t th e m ult i- m ete r c o nnecto r
C -4 5.

Dis co nnect th e c o nnecto r a nd
m easu re a t th e h arn ess s id e.
1 . Volt a ge b etw een te rm in al ( 1 1 ) a nd
e arth
O K: Syste m v o lt a ge
2 . Contin uit y b etw een te rm in al ( 3 ) a nd
e arth
O K: Contin uit y 1
. NG C
onnect a c ir c u it te ste r to th e b atte ry .
( S ee fig .1 ) T
he v o lt m ete r n eedle o f th e m ult i- m ete r
s w in gs. O
K T
he v a lu es in dic a te d b y th e c ir c u it te ste r
n eedle a nd th e n eedle o f th e m ult i- m ete r
v o lt m ete r a re a lm ost id entic a l. N
G R
epla ce th e v o lt m ete r o f th e m ult i- m ete r. N
G R
epair th e h arn ess o r r e pla ce th e v o lt -
m ete r o f th e m ult i- m ete r. O
K
N orm al

M
ULT I- M ETE R 54300390023
R EM OVA L A ND IN STA LLA TIO N

S
ta ndard v a lu e I
n te rn al r e sis ta nce o f o uts id e th erm o s e nso r W A
ppro x. 1 ,2 00 A
t 4 0
C A
ppro x. 5 00 D
ry e r S
enso r

S
ta ndard v a lu e L
im it H
eadla m p a im in g fo r lo w b
eam V
ertic a l d ir e ctio n 6
0 m m b elo w h oriz o nta l ( H ) ±
b
eam H
oriz o nta l d ir e ctio n P
osit io n w here th e 1 5
s lo pin g s e ctio n
i n te rs e cts th e v e rtic a l lin e ( V ) ±
H
eadla m p in te nsit y c d ± 3
0,0 00 o r m ore N
um ber N
am e U
se M
B991502 M
UT-II s u b a s-
s e m bly E
TA C S-E C U in put s ig nal c h eckin g M
B991223
A : MB991219
B : MB991220
C : MB991221
D : MB991222 H
arn ess s e t
A : Te st h arn ess
B : LE D h arn ess
C : LE D h arn ess
a dapte r
D : Pro be M
akin g v o lt a ge a nd r e sis ta nce m easu re m ents
d urin g tr o uble sh ootin g
A : Connecto r p in c o nta ct p re ssu re in sp ectio n
B , C : Pow er c ir c u it in sp ectio n
D : Com merc ia l te ste r c o nnectio n