| Test | TECH 1 | Notes | Nominal Values | Possible |
|---|---|---|---|---|
| Step | Display | Trouble | ||
| No. | Codes | |||
| 23 | DIAG. REQUEST | Ignition ON | INACTIVE 12V | - |
Trouble-shooting: Nominal Value: Cause of Fault:
(If nominal values are not attained)
· Measure voltage at INACTIVE 12V · Diagnostic excitation lead "B" in
control unit K 100 ALDL plug has connection to
Ter. B 7 and/or vehicle ground or is interrupted.
ALDL plug Ter. "B" · Control unit
· Carry out check according to Table 1.