Problem Symptoms Table - Toyota 1KZ-TE Repair Manual

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5.

PROBLEM SYMPTOMS TABLE

The suspect circuits or parts for each problem symptom are shown in the table below. Use this table to trou-
bleshoot the problem when a "Normal" code is displayed in the diagnostic trouble code check but the prob-
lem is still occurring. Numbers in the table indicate the inspection order in which the circuits or parts should
be checked.
HINT:
When the problem is not detected by the diagnostic system even though the problem symptom is present,
it is considered that the problem is occurring outside the detection range of the diagnostic system, or that
the problem is occurring in a system other than the diagnostic system.
D Circuit Inspection, Inspection Order
Indicates the circuit which needs to be checked for each problem
symptom. Check in the order indicated by the numbers.
D Problem Symptom
PROBLEM SYMPTOMS TABLE
Engine does not crank (Does not start)
No initial combustion (Does not start)
Cold engine (Difficult to start)
Hot engine
INTRODUCTION
Symptom
- - HOW TO TROUBLESHOOT ECU CONTROLLED
SYSTEMS
D Page
Indicates the page where the flow chart for each circuit
is located.
D Circuit or Part Name
Indicates the circuit or part which needs to be checked.
Suspect Area
1. Starter
2. Starter relay
1. ECU power source circuit
2. Pre- -heating system
3. Compression
4. Engine ECU
1. Pre- -heating system
2. Starter signal circuit
3. Water temperature sensor
4. Injector
5. Fuel filter
6. Diesel throttle body
7. Engine ECU
1. Starter signal circuit
2. Injector
3. Fuel filter
4. Diesel throttle body
5. Engine ECU
1. Fuel filter
2. Diesel throttle body
3 Engine ECU
1KZ-TE Pages From Manual
TO MODEL INDEX
IN- -17
See page
ST- -3
ST- -14
DI- -93
ST- -1
EM- -2
IN- -20
ST- -1
DI- -115
ED- -10
FU- -1
DI- -26
IN- -20
DI- -115
CONTINUED