Toyota Celica 2005 Repair Manual page 951

DI−750
INSPECTION PROCEDURE
1 Check transmission shift switch.
3
OK
2 Check voltage between each of terminals SFTU and SFTD of ECM and body
ground.
ON
NG
2005 CELICA (RM1131U)
DIAGNOSTICS
5 6
D07812
SFTD
SFTU
D11591
− AUTOMATIC TRANSAXLE (U240E)
PREPARATION:
(a) Remove the steering wheel pad.
(b) Disconnect the transmission shift switch connector.
CHECK:
Check continuity between each terminal of transmission shift
switch connector.
OK:
Switch condition
"Up" switch pressed
"Up" switch released
"Down" switch pressed
"Down" switch released
NG Replace the steering wheel.
PREPARATION:
(a) Turn ignition switch ON.
(b) Remove the ECM with connectors still connected.
CHECK:
Check voltage between each terminal of SFTU and SFTD of
ECM and body ground.
OK:
Switch condition
"Up" switch held pressed
"Up" switch released
"Down" switch held
pressed
"Down" switch released
OK Proceed to next circuit inspection shown in
problem symptoms table (See page DI−698).
950
Tester connection
3 − 5
3 − 6
Tester connection
SFTU − Body ground
SFTD − Body ground
Specified value
No continuity
Continuity
No continuity
Continuity
Specified condition
Below 1.5 V
10 to 14 V
Below 1.5 V
10 to 14 V