Toyota ZZT230 series, Repair Manual

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Dl-116
DIAGNOSTICS
INSPECTION PROCEDURE
HINT:
•
If OTC
P1300 is displayed, check No.1 ignition coil with igniter circuit.
•
If DTC
P1305 is displayed, check No.2 ignition coil with igniter circuit.
•
If DTC
P1310 is displayed, check No.3 ignition coil with igniter circuit.
•
I
f DTC
P1315 is displayed, check No.4 ignition coil with igniter circuit.
•
Read freeze
frame data using
TOYOTA
hand-held tester or
080 II
scan tool. Because freeze frame
records
the engine conditions when the malfunction is detected, when troubleshooting it is useful for
determining whether the vehicle
was running or stopped, the engine warmed up or not, the air-fuel
·---<_-
• •
ratio
lean
or rich, etc. at the time of the malfunction.
1
Check spark plug and spark (Sea page D�).
2
3
Check for open and short In harness and connector In IGF and IGT signal circuit
betwaen ECM and Ignition coli with Igniter
(Sea
page 1�0).
Repair
or
replace harness or connector.
Disconnect
coli with Igniter connector and check voltage between termi­
nals IGF of connector and body ground.
PREPARATION:
(a) Remove the
ECM
cover.
(b)
Disconnect the ignition coil with igniter connector.
(c) Tum the ignition switch
ON.
CHECK:
Measure
voltage between terminals IGF of the
ECM
connector
and body ground.
OK: Voltage: 4.5-5.5 V
Replace Ignition coil with Igniter.