Toyota AVENSIS 2000 Supplement Manual page 254

2 Check pattern select switch
3
OK
3 Check harness and connector between battery and pattern select switch, pattern
select switch and Engine & ECT ECU (See page IN–30).
OK
Check and replace the Engine & ECT ECU
(See page IN–30).
AVENSIS/CORONA SUP (RM781E)
DIAGNOSTICS
2
5
D10186
– AUTOMATIC TRANSAXLE (U240E)
PREPARATION:
Disconnect the pattern select switch connector.
CHECK:
Check continuity between terminals 2 and 3 (PWR, NORM), 3
and 5 (SNOW) of pattern select switch connector when the se-
lect switch is set to PWR, NORM or SNOW position.
OK:
Switch position
PWR
NORM
SNOW
NG Replace the pattern select switch.
NG Repair or replace the harness or connector.
Tester connection Specified condition
2 – 3
2 – 3, 3 – 5
3 – 5
DI–123
Continuity
No continuity
Continuity