长城哈弗H3汽车水温表不动做检查.pdf

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1、长城哈弗H3水表不动作检查1：水温表是串接在水温传感器PT100上，水温表的动作是由水温表内通过的电流大小决定表针移动的幅度。正常水温表的连接线不是很多，PT100接通电源后水温表就可以工作了。2：水温表在汽车内的位置如下图：3：用万用表测量PT100的阻值，测量的阻值对应下表即可判断PT100是否正常。4：PT100的电阻值见下表：电阻值（Ω）（JJG229-87）R0=100.00Ω温度℃0123456789-20018.49----------19022.8022.3721.9421.5121.0820.6520.2219.7919.3618.93-18027.0826.6

2、526.2325.8025.3724.9424.5224.0923.6623.23-17031.3230.9030.4730.0529.6329.2028.7828.3527.9327.50-16035.5335.1134.6934.2733.8533.4333.0132.5932.1631.74-15039.7139.3038.8838.4638.0437.6337.2136.7936.3735.95-14043.8743.4543.0442.6342.2141.7941.3840.9640.5540.13-13048.0047.5947.1846.7646.3545.9445

3、.5245.1144.7044.28-12052.1151.7051.2050.8850.4750.0649.6449.2348.8248.41-11056.1955.7855.3854.9754.5654.1553.7453.3352.9252.52-10060.2559.8559.4459.0458.6358.2257.8257.4157.0056.60-9064.3063.9063.4963.0962.6862.2861.8761.4761.0660.66-8068.3367.9267.5267.1266.7266.3165.9165.5165.1164.70-7072.3

4、371.9371.5371.1370.7370.3369.9369.5369.1368.73-6076.3375.9375.5375.1374.7374.3373.9373.5373.1372.73-5080.3179.9179.5179.1178.7278.3277.9277.5277.1376.73-4084.2783.8883.4883.0882.6982.2981.8981.5081.1080.70-3088.2287.8387.4387.0486.6486.2585.8585.4685.0684.67-2092.1691.7791.3790.9890.5990.1989

5、.8089.4089.0188.62-1096.0995.6995.3094.9194.5294.1293.7593.3492.9592.55-0100.0099.6199.2298.8398.4498.0497.6597.2696.8796.48温度℃01234567890100.00100.39100.78101.17101.56101.95102.34102.73103.12103.5110103.90104.29104.68105.07105.46105.85106.24106.63107.02107.4020107.79108.18108.57108.96109.351

6、09.73110.12110.51110.90111.2830111.67112.06112.45112.83113.22113.61113.99114.38114.77115.1540115.54115.93116.31116.70117.08117.47117.85118.24118.62119.0150119.40119.78120.16120.55120.93121.32121.70122.09122.47122.8660123.24123.62124.01124.39124.77125.16125.54125.92126.31126.6970127.07127.4512

7、7.84128.22128.60128.98129.37129.75130.13130.5180130.89131.27131.66132.04132.42132.80133.18133.56133.94134.3290134.70135.08135.46135.84136.22136.60136.98137.36137.74138.12100138.50138.88139.26139.64140.02140.39140.77141.15141.53141.91110142.29