Electric Steering Lock -No Start Condition
SI B 61 29 06General Electrical Systems
October 2007
Technical Service
This Service Information bulletin supersedes S.I. B61 29 06 dated November 2006.
[NEW] designates changes to this revision
SUBJECT
[NEW] ELV Does Not Release
MODEL
[NEW] E90, E91, E92, E93 (3 Series) to 9/2006 (with Manual Trans) and to 12/2006 (with Auto Trans)
[NEW] E60, E61 (5 Series) to 3/2007
[NEW] E63, E64 (6 Series) to 3/2007
SITUATION
The customer complains of a no-crank, no-start situation. The condition may be intermittent. The ELV (Electric Steering Lock) warning is shown in the Instrument Cluster.
[NEW] CAUSE
Cause 1: - The steering column is held against the steering lock because of torque from the steering gear. In such cases, a yellow check control warning (CC ID # 187) is shown in the instrument cluster but no fault are stored.
Cause 2: - Communication fault in the CAS (Car Access System) and ELV system network and/or battery low. The problem may cause the ELV warning to be displayed in yellow or red.
[NEW] CORRECTION
Cause 1: Relieve the torque from the steering wheel and repeat the starting operation. No repairs are necessary (Refer to Owner's Manual for more information)
Cause 2: In case of customer complaint, before connecting to the BMW Diagnosis System, duplicate the "no-crank" complaint.
For comfort access equipped vehicles, rule out specific comfort access related issues by inserting the remote key in the key holder.
Be sure that the BMW Diagnosis System is loaded with V51.0 or later, together with DIS Update V19.0.
Carry out a short test - do not delete the fault memory. Follow the relevant DIS test plans through to completion.
If KL-15 cannot be switched on, start diagnostics by selecting the vehicle manually. Then follow the diagnostics path: Drive / Engine start / Comfort start / button to get into the test plan B6100_87CAS.
Additional troubleshooting tips:
^ For CAS FC A111 (ELV voltage supply fault) due to low 15WUP signal voltage, refer to B61 07 06 (No crank, no start CAS FC A111).
^ For basic troubleshooting, the system requires the following conditions for the starter to turn (engine crank):
1. There must be a valid key
2. There must be no road speed
3. The ELV must be unlocked (and the "unlocked and secured" telegram received by the CAS)
4. The ELV module must be de-energized by the CAS
5. The start button must be pressed
^ Check that the key holder locks the key in position and that the steering lock unlocks (an audible "clunk" can be heard when the key is inserted).
^ Note 1: KL15 is not released unless the steering is unlocked, and the CAS has received the "unlocked" telegram.
^ Note 2: The ELV makes three attempts to unlock - a whirring sound can be heard at each attempt.
In situations where the ELV is replaced and the engine now cranks and starts but the yellow "steering lock" check control warning still shows in the Instrument Cluster, using DISPlus/GT1, select Function Selection / Drive / Engine start / Comfort start / Button and run the test module. At the question "Is a yellow ELV Check Control message displayed?" answer with "Yes". This clears the fault counter and a control unit reset takes place.
[NEW] WARRANTY INFORMATION
Covered under the terms of the BMW New Vehicle Limited Warranty.
Please refer to the latest KSD for all applicable labor operations and allowances.
If the appropriate labor operation is not contained in KSD, then a work time labor operation should be used.
Defect Code 32 32 05 52 00
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