N09214
DLC3
DI
−
134
−
DIAGNOSTICS
AUTOMATIC TRANSMISSION
1996 LAND CRUISER (RM451U)
(9)
After simulating the malfunction conditions, use the
TOYOTA hand
−
held tester diagnosis selector to
check the DTCs and freeze frame data, etc.
HINT:
Take care not to turn the ignition switch OFF. Turning the ignition
switch off switches the diagnosis system from check mode to
normal mode, so all DTCs, etc. are erased.
(10) After checking the DTC, inspect the applicable cir-
cuit.
(b)
Clear the DTC.
The following actions will erase the DTCs and freeze
frame data.
Operating the OBD II scan tool (complying with SAE
J1978) or TOYOTA hand
−
held tester to erase the
codes (See the OBD II scan tool’s instruction book
for operating instructions.).
NOTICE:
If the TOYOTA hand
−
held tester switches the ECM from the
normal mode to the check mode or vice
−
versa, or if the
ignition switch is turned from ON to ACC or OFF during the
check mode, the DTCs and freezed frame data will be
erased.
(c)
Check the DLC3.
The vehicle’s ECM uses V.P.W. (Variable Pulse Width) for
communication to comply with SAE J1850. The terminal
arrangement of DLC3 complies with SAE J1962 and
matches the V.P.W. format.
Terminal No.
Connection/Voltage or Resistance
Condition
2
Bus
ę
Line/Pulse generation
During communication
4
Chassis Ground
−
Body/1
Ω
or less
Always
5
Signal Ground
−
Body/1
Ω
or less
Always
16
Battery Positive
−
Body/9
−
14 V or 1
Ω
or less
Always
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Version 1.00 - 12/21/2010
