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second DTC could be set, making diagnosis of the When replacing a blown fuse, it is important to use only a fuse having the correct amperage rating. 4.3.2 ROAD TEST COMPLAINT VEHICLE Some complaints will require a test drive as part of the repair verification procedure. The purpose of CAUTION: Before road testing a vehicle, be T screen while in motion. Do not hang the DRBIII T from the rear view mirror or operate it yourself. Have an assistant available to operate the DRBIII T . Road testing is an essential step in the diagnos- tic process that must not be overlooked. Along with t Scan Tool and the original customer concern, the Just as important as the road test is, there are preliminary inspections that should be performed • Delayed engagement • Poor shifting or erratic shifting • Excessive noise • Overheating The next step is to verify that the shifter is correctly adjusted. If the shifter is incorrectly ad- The PCM monitors the Shift Lever Position (SLP) Sensor continuously. If the shifter is incor- The following complaints may also be the result of an incorrectly adjusted or worn linkage: • Delayed clutch engagement • Erratic shifts • Vehicle will drive in neutral • Engine will not crank in park or neutral • Shifter will be able to be moved without the key • Not able to remove the ignition key in park • Parking pawl will not engage properly The shifter should also be adjusted when replac- ing the Transmission, repairing the valve body, or Some questions to ask yourself when performing the road test are as follows: • Is the complaint or concern what you think the • Is the Transmission operating normally, or is • When does the problem occur? • Is the problem only in one gear range? • What temperature does the problem occur? • Does the vehicle have to sit over night for the • Does the transmission go into Limp-in mode? 4.3.3 ELECTRONIC PINION FACTOR The pinion factor must be set when replacing the PCM. Note: The pinion factor is a fixed number 4.3.4 BULLETINS AND RECALLS Always perform all Safety Recalls and Technical Service Bulletins that are applicable to the prob- 5.0 REQUIRED TOOLS AND > DRBIII t (diagnostic read−out box) − Must be at latest release level. > Transmission Simulator (Miller #8333) > Electronic Transmission Adapter kit (Miller #8333-1A) > Jumper wires > Test Light (minimum of 25 ohms of resis- tance) > Ohmmeter 22 GENERAL INFORMATION |