|
1.Check for continuity between terminals.
Item
|
Switch position
|
Tester connection
|
Specified condition
|
LH
|
HI
|
4 - 5, 4 - 7, 4 - 8, 5 - 7, 5 - 8,
7 - 8
|
Continuity (Less than 2 Ω)
|
OFF
|
4 - 5, 4 - 7, 4 - 8, 5 - 7, 5 - 8,
7 - 8
|
Open circuit
|
LO
|
4 - 5, 4 - 7, 5 - 7
|
Continuity (Less than 2 Ω)
|
RH
|
HI
|
3 - 4, 3 - 6, 3 - 7, 4 - 6, 4 - 7,
6 - 7
|
Continuity (Less than 2 Ω)
|
OFF
|
3 - 4, 3 - 6, 3 - 7, 4 - 6, 4 - 7,
6 - 7
|
Open circuit
|
LO
|
3 - 4, 3 - 6, 4 - 6
|
Continuity (Less than 2 Ω)
|
2.Check that the indicator is lighted at HI or LO when battery voltage is supplied to
terminal 7 (LH) or 6 (RH), and terminal 4 (LH) or 3 (RH) is earth.
3.Check that indicator is lighted when battery voltage is supplied to terminals 1 and
3 (LH) or 1 and 2 (RH)
|
|
Measure the resistance between terminals.
Standard value:
Measured terminals
|
Resistance value
|
Note
|
1 - 3
|
Approximately 0 Ω
|
At room temperature 20 °C
|
2 - 3
|
4.25 Ω ± 10%
|
|
|
Measure the resistance between terminals.
Standard value: Approximately 3.96 Ω ± 10% (At room temperature
20 °C)
|
|
1.Remove the instrument lower cover <L.H. drive vehicles> or glove box <R.H.
drive vehicles>.
2.Remove the junction block mounting and slide the junction block to check the heated
seat.
|
|
Battery voltage
|
Tester connection
|
Specified condition
|
Not applied
|
3 - 4
|
Open circuit
|
- Connect terminal 1 to the positive battery
terminal
- Connect terminal 2 to the negative battery terminal
|
3 - 4
|
Continuity (Less than 2 Ω)
|
|
|
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