Multec (C 16 XE) F5: ACTUATOR TEST
| No. | TECH 1 Display | Conditions for Checking | Nominal Value | Trouble Codes | Terminal |
|---|---|---|---|---|---|
| 06 | SELECT ACTUATOR A/C RELAY | Vehicles with AC: | 93 | E 4 | |
| This test can be carried out under two operating conditions: "ignition ON, engine OFF" and "engine running at idle speed". |
The first part of the test should be carried out if it is not possible to start the engine; otherwise the second part provides a reliable diagnosis.
| Test 1: |
Ignition ON
Engine OFF
| AC switch ON | A / C RELAY | ||
|---|---|---|---|
| switches at a frequency of 0.5 Hz; alternately | |||
| INACTIVE 12V | |||
| Press key F5 in the main system menu, use the arrow keys to select the desired test and confirm with YES. Follow directions shown on the TECH 1 display. | |||
| ACTIVE 0 V | |||
| Clicking noise at relay | |||
| Note: |
After the test is started, the air conditioning cutoff relay is actuated at a frequency of 0.5 Hz.
The test is completed after a maximum of 30 s.
| A / C RELAY |
switches at a frequency of 0.5 Hz; alternately
| Test 2: |
Engine running at idle speed
Air conditioning switch ON
Press key F5 in the main system menu, use the arrow keys to select the desired test and confirm with YES. Follow directions shown on the TECH 1 display.
| INACTIVE 12V |
ACTIVE 0 V
AC compressor switches ON and OFF
| Trouble - shooting: | Nominal Value: | Cause of Fault: |
(If nominal value is not attained)
See F0: Data List, test step 23 to 25