A98018
+B2
+B1
EGR1
EGR3
EGR2
EGR4
Component Side:
05 -- 118
--
DIAGNOSTICS
ECD SYSTEM (1ND -- TV)
COROLLA Supplement (RM1129E)
1 CHECK OTHER DTC OUTPUT(IN ADDITION TO P0400)
(a) Connect an intelligent tester ll to the DLC3.
(b) Turn the ignition switch to ON and turn the intelligent tester ll ON.
(c) Select the following menu items: Powertrain / Engine and ECT / DTC.
(d) Read DTCs.
Result:
Display (DTC Output)
Proceed To
P0400
A
P0400 and other DTCs
B
HINT:
If any DTCs other than P0400 are output, troubleshoot those DTCs first.
B GO TO RELEVANT DTC CHART
A
2 I NSPECT EGR VALVE ASSY
(a) Disconnect E21 EGR v alve connector.
(b) Measure the resistance between the terminals of the
EGR v alve.
Standard:
Tester Connection
Specified Condition
+B1 (5) -- EGR1 (4)
19.6
±
1.4
Ω
+B1 (5) -- EGR3 (6)
19.6
±
1.4
Ω
+B2 (2) -- EGR2 (1)
19.6
±
1.4
Ω
+B2 (2) -- EGR4 (3)
19.6
±
1.4
Ω
NG
REPLACE EGR VALVE ASSY
OK
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TOYOTA COROLLA REPAIR MANUAL SUPP 1129E