Page 50 of 579
Wiring Diagram
WITH SNOW MODE SWITCH
TEC521M
SNOW MODE SWITCHTB48DE A/T
EC-4015
Page 51 of 579
Wiring Diagram
TEC522M
ELECTRICAL LOAD SIGNALTB48DE A/T
EC-4016
Page 52 of 579
TEC523M
ELECTRICAL LOAD SIGNALTB48DE A/T
Wiring Diagram (Cont'd)
EC-4017
Page 54 of 579
2 CHECK LOAD SIGNAL CIRCUIT OVERALL FUNCTION-II
With CONSULT-II
Check ªLOAD SIGNALº indication under the following conditions.
PBIB0103E
MTBL1595
OK or NG
OKcINSPECTION END
NGcGO TO 7.
3 CHECK REAR WINDOW DEFOGGER FUNCTION
1. Start engine.
2. Turn ªONº the rear window defogger switch.
3. Check the rear windshield. Is the rear windshield heated up?
YesorNo
Ye scGO TO 4.
NocCheck rear window defogger circuit. Refer to EL section.
4 CHECK REAR WINDOW DEFOGGER INPUT SIGNAL CIRCUIT FOR OPEN OR SHORT
1. Stop engine.
2. Disconnect rear window defogger relay.
3. Disconnect combination meter harness connector.
4. Check harness continuity between rear window defogger relay terminal 5 and combination meter terminal 27.
Refer to Wiring Diagram.
Continuity should exist.
5. Also check harness for short to ground and short to power.
OK or NG
OKcGO TO 6.
NGcGO TO 5.
5 DETECT MALFUNCTIONING PART
Check the following.
+Harness connectors E127, M21
+Harness for open or short between rear window defogger relay and combination meter
cRepair open circuit or short to ground or short to power in harness or connectors.
ELECTRICAL LOAD SIGNALTB48DE A/T
Diagnostic Procedure (Cont'd)
EC-4019
Page 57 of 579
Circuit Diagram
TEC410M
TROUBLE DIAGNOSISTB48DE A/T (WITH EURO-OBD)
EC-4022
Page 58 of 579
TEC520M
TROUBLE DIAGNOSISTB48DE A/T (WITH EURO-OBD)
Circuit Diagram (Cont'd)
EC-4023
Page 59 of 579
Wiring Diagram
TEC521M
SNOW MODE SWITCHTB48DE A/T (WITH EURO-OBD)
EC-4024
Page 60 of 579
Wiring Diagram
TEC522M
ELECTRICAL LOAD
SIGNALTB48DE A/T (WITH EURO-OBD)
EC-4025
