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Troubleshooting: ERROR messages in CarProg:

• Communication error

- no communication between CarProg and Motorola processor

- check MPU type, try to select quartz frequency manually.

To understand better onboard MPU programming problems, you can use table with right programming signals and voltages, described in table. If you can’t read or write MPU with CarProg, check:

- did you was select right MPU type;

- did quartz resonator Q is the same in circuit board and in CarProg options;

- did all programming signals have right form and voltage;

A10 cable has 8 color wires:

YELOW – communication signal from MPU;

GREEN – communication signal to MPU;

BLUE – Reset signal to MPU;

ORANGE – PD4 signal to MPU, normally low level, but can by high;

GREY – PD3 signal to MPU, normally high level;

BROWN – GND (ground);

RED – switched +5V;

VIOLET - switched +12V;

1. MC68HC05B6, MC68HC05B8, MC68HC05B16, MC68HC05B32

MPU: MC68HC05B6 Mask Set: 0B91T 1C14H, 2C14H 0F10V 1E50H

MPU: MC68HC05B8 Mask Set: 0B83T 3D33J 0D54J

MPU: MC68HC05B16 Mask Set: 0D20J, 1D20J, 2D20J, 3D20J

2. MC68HC705B16, MC68HC705B16N, MC68HC705B32

MPU: MC68HC705B16 Mask Set: 0D28J F56K

MPU: MC68HC705B32 Mask Set: G41V 3G96A K20C D40J D59J

3. MC68HC05X16, MC68HC05X32, MC68HC705X32

4. MC68HC05E6

5. MC68HC05P3

6. MC68HC705P3

7. MC68HC05H12

MPU: MC68HC05H12 Mask Set: 0H57A

Have fun with Carprog reading Motorola MC68HC05

Source:http://www.obdexpress.co.uk/service/how-to-use-carprog-to-read-motorola-mc68hc05-18542.html