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Does the meter display battery voltage? GO to C3 . No GO to C2 . C2: CHECK CIRCUIT BETWEEN AUXILIARY CLIMATE CONTROL TEMPERATURE Ignition switch in position 0. 1 Disconnect Connector C3H101-R from auxiliary 2 Measure the resistance between the auxiliary climate CHA24A (WH/GN), wiring harness side and auxiliary 3 Is a resistance of less than 2 Ohms registered? CHECK the auxiliary climate control module using No LOCATE and RECTIFY the break in circuit CHA24A C3: CHECK CIRCUITS BETWEEN AUXILIARY CLIMATE CONTROL TEMPERATURE Ignition switch in position 0. 1 Disconnect Connector C3H101-R from auxiliary 2 Ignition switch in position II. 3 Measure the voltage between the auxiliary climate CHA20A (BU/GN), wiring harness side and ground. 4 Measure the voltage between the auxiliary climate CHA21A (GY), wiring harness side and ground. 5 Measure the voltage between the auxiliary climate CHA22A (VT), wiring harness side and ground. 6 Measure the voltage between the auxiliary climate CHA23A (YE), wiring harness side and ground. 7 Is a voltage measured during one or more
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