D33181
T16
Tr ansmission Shift
Main Switch
Transmission Control ECU
MDSW
GND
IG
*1: LHD
*2: RHD
A
J4
J/C
II
M8
J19
J/C
L--W
W--B
2T 2F
(*1) (*2)
MDSW
10
39 7
4
11
4
8
SB (W -- B)
2T
7
Instrument Panel J/B
SB
(W -- B)
05 -- 280
--
DIAGNOSTICS
MULTI -- MODE MANUAL TRANSMISSION SYSTEM
COROLLA Supplement (RM1129E)
DTC P0821/79 GEAR LEVER X POSITION CIRCUIT
CIRCUIT DESCRIPTION
Based on the signal from the transmission shift main switch, the transmission control ECU detects whether
the s hift lever position is in the ”E” or ”M” position.
Refer to DTC P0820/71 on page 05 -- 272
DTC No.
DTC Detecting Condition
Trouble Area
P0821/79
The transmission control ECU detects the following conditions
simultaneously:
(a) Shift lever position is N or R.
(b) MDSW signal is ON for 1.0 second.
S
Transmission shift main switch (Built into shift lever assy)
S
Short in MDSW signal circuit
S
Transmission control ECU
WIRING DIAGRAM
05L4I--02
To Alphabetical Index
To Sub Index
TOYOTA COROLLA REPAIR MANUAL SUPP 1129E