Page 1309 - Workshop Manual - Aumark (BJ1051)

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Circuit-System circuit diagram

Service hint:
z C001 warning lamp switch of clogged air filter

1-2: the switch will be closed when the vacuum degree is 6 ± 0.5 KPa; the indicator on meter
will be lit and starts warning.
z B022 brake fluid warning switch

1-2: the switch will be closed with the descending of the brake fluid; the indicator on meter will
be lit and starts warning.
z B032 combined meter

9-grounding: ignition switch is at ON position and the voltage is about 24V.

z B033 combined meter
2-grounding: the voltage is about 24V.
10, 11-grounding: ignition is at ON position and the voltage is about 24V.

z B034 combined meter

3- grounding: ignition switch is at ON position and the voltage is about 24V.
z C027 over low pressure annunciator 1

1-grounding: the switch will be closed when the air pressure is lower than 0.4 ± 0.025 MPa; the
indicator on meter will be lit and starts warning.
z ·C032 reverse lamp switch

2-1: the switch will be closed when the gear shift lever is at reverse position; the indicator on
meter will be lit.
z C037 over low pressure annunciator 2
61
1- grounding: the switch will be closed when the air pressure is lower than 0.4 ± 0.025 MPa;
the indicator on meter will be lit and starts warning.
z C039 water level warning switch

1-2: series resistor inside of switch is 6.2 KΩ. The switch will be closed when the antifreeze
inside of expansion tank is lower than 3L; and the indicator on meter will be lit and starts
warning.
z C040 oil pressure warning switch

1-grounding: oil pressure range is 0-1MPa, and the switch will be closed when the oil pressure
is lower than 0.05 ± 0.01 MPa; and the indicator on meter will be lit and starts warning.
z L002 parking brake indicator switch

1- grounding: vehicle stops running and the parking brake handle is engaged; the switch will be
closed and the indicator on meter will be lit.

Page 1309