TROUBLE DIAGNOSES — Preliminary Check (Cont'd) — Preliminary Check 3 (Magnet clutch does not operate in DEF mode, L.H.D. only)
HA-62flowchartDiagnostic Procedure 4 (HA-75–78) is the magnet-clutch failure tree.
Preliminary Check (Cont'd)
PRELIMINARY CHECK 3: FOR L.H.D. MODEL ONLY
Magnet clutch does not operate in DEF mode.
WARNING
Perform PRELIMINARY CHECK 2 before referring to the following flow chart.
Preliminary Check 3 — magnet-clutch DEF-mode operation (L.H.D. only)
1
With engine running, does magnet clutch engage normally when A/C switch and fan switch are ON?
No
Go to Diagnostic Procedure 4.
Yes
2
Push A/C switch and turn A/C system OFF. Make sure that magnet clutch is disengaged.
3
With engine running, does magnet clutch engage normally when DEF switch and fan switch are ON?
No
Replace control amp. built-in push control unit.
Yes
INSPECTION END