OM3216 3/10 Operator Cab and Controls - Section 32 Page 32-37 REAR ELECTRICAL COMPARTMENT The following components are located behind the operator and passenger seats across the back wall of the operator cab (Refer to Figure 32-19): 1. ATC - Automatic Transmission Controller The ATC controls and monitors the automatic transmission. It controls the shift patterns and lock-up clutch modulation and monitors numer- ous other sensor inputs. Refer to the service manual for specific information regarding this device. 2. Fuse Panel The fuse panel contains all of the electrical fuses on the truck. 3. RCM - Retard Control Module This panel controls and monitors the retarder system.
Refer to the service manual for specific information regarding this device. 4. Vehicle Health Monitoring System (VHMS) The VHMS controller gathers data related to the operational health of the machine from each of the controllers and sensors. Refer to Section 60, VHMS, for more information. 5. VHMS Download Connector 6. Payload Meter (PLM) Download Connector 7. CENSE Engine Download Connector - (SDA12V160 only) 8. Engine Maintenance Light - The engine maintenance light will illuminate when engine mainte- nance is necessary. It is not nec- essary to service the truck until the next scheduled preventive maintenance. FIGURE 32-18. FUSE PANEL DESCRIPTIONS 9.
Engine Communications Connector TABLE I. CIRCUIT BREAKER CHART CIRCUIT BREAKER IDENTIFICATION CIRCUIT NUMBER CONTROL DESCRIPTION No. AMPS VOLTS IN OUT LOCATION: BATTERY BOX CB24V 50 +24 3 12 24 Volt Control Power (To Power Bus #3 on Cab Rear Wall) CB12V 50 +12 4 12V 12 Volt Control Power (To Power Bus #4 on Cab Rear Wall) LOCATION: AC/HEATER UNIT A/C-CB 20 +24 12AC - Internal Automatic Reset Circuit Breaker