Toyota COMPUTER-CONTROLLED SYSTEM

DIAGNOSIS
- OBD-I[ (On-Board Diagnostic System
)
Conventional OBD
New OBD (OBD-I[ )
CHECK
CHECK W E1 OX1 CC2 IG-
TE1 E l
CONNECTOR
CONNECTOR
TEl
O
(DLC) AND
(DLC 1 )
TER
MINAL
t M
FP
D
(Only those
CC
related to the
+B lJ
C D
Engine ECU)
VF1 VF2TE2OX2 TT + B
TDCL
ECT W
(DLC2)
EN G
TT
E1 TE2 TE1
E l
DLC3
BATT SDL* '
?CG*
3
SDL
; The communication terminal between the Engine ECU and the TOYOTA hand-held tester use the VPW
(Variable Pulse Width) system in accordance with the SAE J1850 requirements
.
*zSG ; Signal graund
*3CG ; Chassis graund