86.1725-01—Allowable maintenance.
This section includes text that specifies requirements that differ from § 86.1725-99. Where a paragraph in § 86.1725-99 is identical and applicable to this section, this may be indicated by specifying the corresponding paragraph and the statement “[Reserved]. For guidance see § 86.1725-99.” The provisions of § 86.1834-01 and subsequent model year provisions apply to this subpart, with the following additions:
(a)
Hybrid electric vehicles that use Otto-cycle or diesel engines are subject to the applicable Otto-cycle or diesel engine maintenance requirements of § 86.1834-01(b) through (e) and subsequent model year provisions.
(d)
When air conditioning SFTP exhaust emission tests are required, the manufacturer must document that the vehicle's air conditioning system is operating properly and in a representative condition. Required air conditioning system maintenance is performed as unscheduled maintenance that does not require the Administrator's approval.