Toyota T100 1996 Service Manual page 349

2 Check for short in harness and connector between EGR gas temp. sensor and
ECM (See page IN−26).
OK
3 Check VSV for EGR (See page MF−44).
NG
4 Check operation of VSV for EGR (See page MF−44).
OK
5 Check for open in harness and connector between R/B N0.2 and ECM (See page
IN−26).
OK
Check and replace ECM (See page IN−26).
1996 TOYOTA T100 (RM449U)
DIAGNOSTICS − ENGINE (3RZ−FE)
NG Repair or replace harness or connector.
OK Check EGR valve (See page EC−7).
NG Replace VSV for EGR.
NG Repair or replace harness or connector.
DI−85