Operation CHARM: Car repair manuals for everyone.

Test Steps - Section 32


Preparation For Test:
1. Model 202 up to 11/94: Check fuses F3-33 and F3-35 OK,
2. Model 202 as of 12/94: Check fuses F1-24 and F1-27 OK,
3. Battery voltage 11 - 14 V.
4. Connect reservoir with vacuum Y-distributor to vacuum/pressure tester.
5. Provide access to PSE control module (A37/4, A37/5) and disconnect PSE pneumatic multiple connector (do not disconnect wiring harness).
6. Connect vacuum/pressure tester with reservoir to PSE control module.

Parts Required for Test:
1 Reservoir 107 800 08 19
1 Y-distributor 017 078 01 45
5 Plug 000 987 29 45


NOTES:
1. Before testing the safety switch time of the consumers, as well as between the tests for OSB (pressure) and MVA (vacuum), interrupt the PSE control module power supply for at least 3 seconds.
2. After completing the PSE control module test, do not operate any system which would require vacuum or pressure for approx. 10 minutes.
3. The connections on the PSE control module are marked with their German acronyms. Reference to these connections in this test are made to their U. S. equivalents. In other words:
ZV (German) = CL (U.S.),
SRU (German) = MVA (U.S.),
OSL (German) = OSB (U.S.).

Special Tools:





Figure 1 (Connection Diagram - Vacuum Pressure Tester w/Reservoir):






Test Steps 1.0 - 4.0:





Test Steps 5.0 - 7.0:





Test Step 8.0: