Bosch Tech 2 User Manual

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2.  CARE AND CLEANING
After using the Tech 2, a few simple steps will insure that you get the most life out of this diagnostic tool. 
Although the Tech 2 is water resistant, it is not waterproof, so be sure to dry the Tech 2 thoroughly prior to 
usage and/or storage. 
Maintenance of the Tech 2 requires periodic inspection and cleaning of the following: 
• The display window 
• The keypad 
• The cable assemblies and connectors 
Make sure the Tech 2 is not connected to a vehicle or other...

Care and Cleaning
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CLEANING THE KEYPAD 
Clean the keypad with a non-abrasive cleaner. Apply a small amount of cleaner on a soft cloth and wipe the 
cloth across the keypad area. 
MAINTAINING THE CABLE ASSEMBLIES 
AND CONNECTORS 
Inspect cable assemblies during connection and disconnection to components. Watch for any cuts or 
abrasions along the cables. Check the connectors and connector pins for grease, dirt, and corrosion. If 
contaminants are present, remove them with a mild soap...

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3.  GETTING STARTED
This section covers all Tech 2 vehicle applications and therefore some of the information provided may not 
be required for individual applications. 
The Tech 2 contains two serial communication ports: the RS-232 and the RS-485. Use the RS-232 port for 
downloading data from another computer to the Tech 2. The RS-485 port is currently not used. 
The Tech 2 also contains two PCMCIA ports, a power jack connector, and a Vehicle Communications 
Interface (VCI) connector....

Getting Started
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INITIAL HARDWARE INSTALLATION 
The Tech 2 hardware initial installation requires the following steps: 
1. Remove the RS-232 loopback adapter (P/N 02001606) from the storage case (P/N 02002971). Plug it 
into the RS-232 port (Figure 3-2). 
2. Attach the Tech 2 DLC cable (P/N 02002952) to the VCI connector (Figure 3-3). 
3. Locate the DLC loopback adapter (P/N 02002953) in the storage case. Attach it to the DLC cable 
(Figure 3-4). 
4. Locate the NAO (P/N 02002972) power...

Getting Started
Te c h  2Page 3-3
FIGURE 3-3. Connection of Tech 2 DLC Cable to the VCI ConnectorVCI Connector
Tech 2 DLC cable 
(P/N 02002952)
FIGURE 3-4. Connection of DLC Loopback Adapter to DLC CableTech 2 DLC cable 
(P/N 02002952) 
DLC loopback adapter 
(P/N 02002953)  

Getting Started
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FIGURE 3-5. Connection of Power Jack to Tech 2 DLC CableTech 2 DLC cable 
power jack connector
Power jack (NAO power supply)
FIGURE 3-6. Connection of Power Jack to the Bottom of Tech 2Tech 2 power jack connector
Power jack (NAO power supply) 

Getting Started
Te c h  2Page 3-5
PCMCIA CARD REMOVAL 
The PCMCIA Card is accessed by opening the hinged door located at the top of the Tech 2. The card is 
found in the upper slot. The lower slot will be used for future enhancements. Press the up arrow button 
(located on the left hand side of the Tech 2) to eject the card (Figure 3-8).
NOTEWhen using the Tech 2 for vehicle communications, the Tech 2 must be 
powered with the cigarette lighter power cable (P/N 02002954) to ensure a 
proper ground....

Getting Started
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PCMCIA CARD INSERTION 
The PCMCIA Card is keyed with two notches on one side and one notch on the other side (Figure 3-9). 
Make sure that the notches are in the correct position before inserting the card. Slowly insert the card 
(Figure 3-10) until it clicks into place. 
Make sure the PCMCIA card is inserted into the upper slot. The card fits into both slots; however, if the card 
is placed in the lower slot, the Tech 2 will not function properly. 
CAUTION
CAUTION!Use...

Getting Started
Te c h  2Page 3-7
VEHICLE COMMUNICATIONS INTERFACE 
MODULE REMOVAL 
The Vehicle Communications Interface (VCI) module is located at the lower end of the Tech 2. Removal of 
this module is required only if the VCI needs to be updated. To remove the module disconnect Tech 2 DLC 
cable if attached, move the lever (Figure 3-11) all the way toward the right side of the Tech 2 (Figure 3-12). 
The VCI module can now be removed. 
FIGURE 3-11. VCI Module Removal VCI module lever
FIGURE 3-12. VCI...

Getting Started
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HAND STRAP ADJUSTMENT 
The Tech 2 velcro hand straps may be adjusted for individual needs as shown in Figure 3-13. 
FIGURE 3-13. Tech 2 Hand Strap Adjustment Velcro strap