Jeep Cherokee (XJ): Description and operation

Next pageAW-4 automatic transmission

DESCRIPTION The AW-4 is a 4-speed, electronically controlled automatic transmission (Fig. 1). The running gear consists of an oil pump, planetary gear sets, clutch and brake units, hydraulic ac ...

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On-board diagnostics (OBD). Accessory drive belt diagnosis. Preliminary checks
On-board diagnostics (OBD) COOLING SYSTEM RELATED DIAGNOSTICS The Powertrain Control Module (PCM) has been programmed to monitor the certain following cooling system components:  If the engine has remained cool for too long a period, such as with a stuck open thermostat, a Diagnostic ...