Training Center of After-Sales Department Chery International
11. Wiper system
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2. Control strategy
Front wiper control strategy
HI
1) With ACC=ON, move wiper switch to HI, and wiper will work at high speed;
2) The wiper will immediately stop when:
BCM detects wiper stop input signal and wiper switch is at OFF;
ACC=OFF, the wiper will immediately stop;
LO/MIST
1) LO and MIST share the same PIN;
2) With ACC =ON, when BCM detects this valid PIN, wiper will work at low
speed;
3) The wiper will immediately stop when:
BCM detects wiper stop input signal and wiper switch is at OFF;
ACC=OFF, the wiper will immediately stop;
INT
1) With ACC = ON, move the wiper switch to INT, and wiper will output at low
speed till the wiper stop input signal is received to fulfill a wiping task;
2) Once the wiper stop input signal is detected, the wiper low-speed output will
be stopped till the preset time interval is over, after which the wiper will act again;
3) The wiper time interval can be regulated by wiper sensitivity switch. There are
4 time intervals: 2s, 4s, 8s and 13s.
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