Diagnostic Trouble Code Chart; Example - Toyota 1KZ-TE Repair Manual

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IN- -16
4 . DI AG NO S T I C TRO UBLE CO DE CHART
The inspection procedure is shown in the table below. This table permits efficient and accurate troubleshoot-
ing using the diagnostic trouble codes displayed in the diagnostic trouble code check. Proceed with trouble-
shooting in accordance with the inspection procedure given in the diagnostic chart corresponding to the
diagnostic trouble codes displayed. The engine diagnostic trouble code chart is shown below as an example.
D DTC No.
Indicates the diagnostic trouble code.
D Page or Instructions
Indicates the page where the inspection procedure
for each circuit is to be found, or gives instructions
for checking and repairs.

DIAGNOSTIC TROUBLE CODE CHART

HINT:
Parameters listed in the chart may not be exactly the same as your reading due to the type of instrument or other
factors.
If a malfunction code is displayed during the DTC check in check (test) mode, check the circuit for that code
listed in the table below. For details of each code, turn to the page referred to under the "See page" for the
respective "DTC No." in the DTC chart.
DTC No.
(See page)
12
(DI - - 12)
Engine Speed Sensor Circuit
13
(DI - - 28)
Malfunction
15
(DI - - 32)
INTRODUCTION
D Detection Item
Indicates the system of the problem or
contents of the problem.
Detection Item
Crankshaft Position Sensor Circuit
Malfunction
Diesel Throttle Control Circuit
Malfunction
Interior IC Malfunction
- - HOW TO TROUBLESHOOT ECU CONTROLLED
SYSTEMS
Trouble Area
D Open or short in crankshaft position sensor circuit
D Crankshaft position sensor
D Engine ECU
D Open or short in engine speed sensor circuit
D Engine speed sensor
D Engine ECU
D Open or short in E- -VRV for main actuator circuit
D E- -VRV for main actuator
D Diesel throttle position sensor circuit
D Diesel throttle position sensor
D Main actuator
D Vacuum hose disconnected or blocked
D Engine ECU
D Engine ECU
1KZ-TE
D Trouble Area
Indicates the suspect area of the
problem.
*1
Check Engine
Warming Light
Normal Mode/
Test Node
ON / N.A
ON / N.A
ON / N.A
CONTINUED
Pages From Manual
TO MODEL INDEX
*2
Memory