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Measure Power Supply Circuit
Voltage:
1. Turn the ignition switch ON (ll).
2. Measure the voltage between
the A12 and A13 terminals and
between the A25 and 426 ter
Repeir open or short in tha wire
bgtwoon th6 A12 .nd/or A25 tor-
minrls and under-dash fu3e/r6lay
Dox.
ls there battery voltage?
Measure O. IND Vohag.:
1- Turn the ignition switch OFF.
2. Connect the A (26P) connec
tor to the TCIL
3. Connect a digital multimeter
to the A17 and A13 or 426 ter-
minals.
4. Turn the ignition switch ON (ll)
and make sure that the voltage
is available for 2 seconds.
Check for open or short in tho
wire betweon the A17 torminal
tnd the gauge as3emblv. ll the
wire is OK, chock tor a faulty Eli
indicator light bulb or a f.ulty
gauge assgmbly printgd circuit
board.
Ch€ck D. IND for an Open Circuitr
1. Turn the ignition switch OFF.
2 . D i s c o n n e c t t h e A { 2 6 P } c o n ,
nector from the TCM.
3. Check tor continuity between
the A17 terminal and the teF
minal of the gauge assembly
connector (see section 23).
Rap.ir open in tho wire between
th. A17 tgrminal and the gsuge
assembly.
ls there conlinuity?
Check lor loose TCM connectoB.
C h e c k t h e A / T g o a r p o s i t i o n
switch. lf necessary, substitute e
known-good TCM and.echock.
From page 14-82
TCM CONNECTOR A I26PI
BI-K/YEL
BRN/BLK
BLK/YEL
BRN/BLK
wlRE SIDE OF FEMALE TERMINALS
BRN/BLK
GRN/BLK
BRN/BLK
1 4- 83
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Table of Contents
Troubleshooting
