Toyota Camry Manual page 1331

DI–304
2 Check VSV for EGR (See page DI–292, step 5).
NG
3 Check operation of VSV for EGR (See page SF–56).
OK
Check for short in harness between VSV for
EGR and ECM (See page IN–31).
4 Check EGR valve (See page EC–11).
OK
5 Check EGR valve position sensor (See page DI–358).
OK
Check and replace ECM (See page IN–31).
DIAGNOSTICS – ENGINE (1MZ–FE)
OK Go to step 4.
NG Replace VSV for EGR.
NG Repair or replace EGR valve.
NG Repair or replace EGR valve position sensor or
harness.
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