P24653
VG
(+)
(
−
)
−
DIAGNOSTICS
ENGINE
DI
−
23
1996 LAND CRUISER (RM451U)
3
Check voltage between terminal VG of ECM and body ground.
PREPARATION:
(a)
Remove instrument panel speaker No.1 panel
(See page
SF
−
65
).
(b)
Start the engine.
CHECK:
Measure voltage between terminal VG of ECM and body
ground while engine is idling.
OK:
Voltage:
1.1
−
1.5 V (P or N position and A/C switch OFF)
OK
Check and replace ECM (See page
IN
−
28
).
NG
4
Check for open and short in harness and connector between mass air flow meter
and ECM (See page
IN
−
28
).
NG
Repair or replace harness or connector.
OK
Replace mass air flow meter.
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Brought to you by BirfMark
Version 1.00 - 12/21/2010