Toyota 1KZ-TE Repair Manual page 95

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DTC
CIRCUIT DESCRIPTION
The engine ECU controls the injection timing by actuating the timing control valve. The timing control valve
is mounted on the injection pump and delay one by duty control of pump internal fuel pressure.
The engine ECU detects the injection advance angle by TDC and NE signals.
DTC No.
After engine warmed up and during, actual injection timing is
14 different from target value of engine ECU calculated for several
sec.
WIRING DIAGRAM
Hilux
R--L
From Terminal 3
of ECD Relay
( S ee page DI -- 92)
4Runner
From Terminal 3
of ECD Relay
( S ee page DI -- 92)
1KZ- -TE ENGINE SUP (RM790E)
DIAGNOSTICS
14 Tim ing Control S ystem Malfuncti on
DTC Detection Condition
22
R--L
IJ1
22
W--R
W--R
IJ1
- - ENGINE
S Open or short in timing control valve circuit
S Timing control valve
S Fuel filter (Clogging)
S Fuel (Freezing, Air in)
S Injection pump (Internal pressure and timing control valve)
S Engine ECU
T5
Timing Control Valve
1
R--L
IC3
2 1
T7
Timing Control Valve
1
W--R
IC3
1 2
CONTINUED
1KZ-TE PAGES FROM SUPPLEMENT
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Trouble Area
Engine ECU
12
TCV
G--B
E4
E01
Engine ECU
12
TCV
G--W
E15
E01
DI- -31
DI8FG- -01
A10920
A10920