TROUBLE DIAGNOSES — Contents
EF & EC-32index tocSelf-diagnosis Mode I & II noted as 'Model with catalyzer' variant.
Contents
Trouble Diagnoses Contents
| Item Number | Symptom | Condition | Page |
|---|---|---|---|
| How to Perform Trouble Diagnoses for Quick and Accurate Repair | EF & EC-34 | ||
| Diagnostic Table | EF & EC-38 | ||
| 1 | Impossible to start | no combustion | EF & EC-39 |
| 2 | Impossible to start | partial combustion | EF & EC-40 |
| 3 | Impossible to start | partial combustion (not affected by throttle position) | EF & EC-41 |
| 4 | Impossible to start | partial combustion (throttle position changes combustion quality) | EF & EC-42 |
| 5 | Hard to start | before warm-up | EF & EC-43 |
| 6 | Hard to start | after warm-up | EF & EC-44 |
| 7 | Hard to start | every time | EF & EC-45 |
| 8 | Hard to start | morning after a rainy day | EF & EC-46 |
| 9 | Abnormal idling | no fast idle | EF & EC-47 |
| 10 | Abnormal idling | low idle (after warm-up) | EF & EC-48 |
| 11 | Abnormal idling | high idle (after warm-up) | EF & EC-49 |
| 12 | Unstable idling | before warm-up | EF & EC-50 |
| 13 | Unstable idling | after warm-up | EF & EC-51 |
| 14 | Poor driveability | stumble (while accelerating) | EF & EC-52 |
| 15 | Poor driveability | surge (while cruising) | EF & EC-53 |
| 16 | Poor driveability | lack of power | EF & EC-54 |
| 17 | Poor driveability | detonation | EF & EC-55 |
| 18 | Engine stall | during start-up | EF & EC-56 |
| 19 | Engine stall | while idling | EF & EC-57 |
| 20 | Engine stall | while accelerating | EF & EC-58 |
| 21 | Engine stall | while cruising | EF & EC-59 |
| 22 | Engine stall | while decelerating/just after stopping | EF & EC-60 |
| 23 | Engine stall | while loading | EF & EC-61 |
| 24 | Backfire | through the intake | EF & EC-62 |
| 25 | Backfire | through the exhaust | EF & EC-63 |
| Self-diagnosis — Description | EF & EC-64 | ||
| Self-diagnosis — Mode I & II (Model with catalyzer) | EF & EC-67 | ||
| Self-diagnosis — Mode III | EF & EC-68 | ||
| Self-diagnosis — Mode IV | EF & EC-73 | ||
| Self-diagnosis — Mode V | EF & EC-75 | ||
| Diagnostic Procedure | EF & EC-78 | ||
| Diagnostic Procedure 1 — POWER SOURCE AND GROUND CIRCUIT FOR E.C.U. | EF & EC-80 | ||
| Diagnostic Procedure 2 — CRANK ANGLE SENSOR | EF & EC-82 | ||
| Diagnostic Procedure 3 — AIR FLOW METER | EF & EC-84 | ||
| Diagnostic Procedure 4 — ENGINE TEMPERATURE SENSOR | EF & EC-86 | ||
| Diagnostic Procedure 5 — VEHICLE SPEED SENSOR | EF & EC-88 | ||
| Diagnostic Procedure 6 — IGNITION SIGNAL & DETONATION SENSOR | EF & EC-90 | ||
| Diagnostic Procedure 7 — IDLE SWITCH | EF & EC-94 | ||
| Diagnostic Procedure 8 — EXHAUST GAS SENSOR | EF & EC-96 | ||
| Diagnostic Procedure 9 — THROTTLE SENSOR | EF & EC-98 | ||
| Diagnostic Procedure 10 — FUEL PUMP | EF & EC-102 | ||
| Diagnostic Procedure 11 — START SIGNAL | EF & EC-104 |
SymptomHow to Perform Trouble Diagnoses for Quick and Accurate Repair
Condition
PageEF & EC-34
SymptomDiagnostic Table
Condition
PageEF & EC-38
1
SymptomImpossible to start
Conditionno combustion
PageEF & EC-39
2
SymptomImpossible to start
Conditionpartial combustion
PageEF & EC-40
3
SymptomImpossible to start
Conditionpartial combustion (not affected by throttle position)
PageEF & EC-41
4
SymptomImpossible to start
Conditionpartial combustion (throttle position changes combustion quality)
PageEF & EC-42
5
SymptomHard to start
Conditionbefore warm-up
PageEF & EC-43
6
SymptomHard to start
Conditionafter warm-up
PageEF & EC-44
7
SymptomHard to start
Conditionevery time
PageEF & EC-45
8
SymptomHard to start
Conditionmorning after a rainy day
PageEF & EC-46
9
SymptomAbnormal idling
Conditionno fast idle
PageEF & EC-47
10
SymptomAbnormal idling
Conditionlow idle (after warm-up)
PageEF & EC-48
11
SymptomAbnormal idling
Conditionhigh idle (after warm-up)
PageEF & EC-49
12
SymptomUnstable idling
Conditionbefore warm-up
PageEF & EC-50
13
SymptomUnstable idling
Conditionafter warm-up
PageEF & EC-51
14
SymptomPoor driveability
Conditionstumble (while accelerating)
PageEF & EC-52
15
SymptomPoor driveability
Conditionsurge (while cruising)
PageEF & EC-53
16
SymptomPoor driveability
Conditionlack of power
PageEF & EC-54
17
SymptomPoor driveability
Conditiondetonation
PageEF & EC-55
18
SymptomEngine stall
Conditionduring start-up
PageEF & EC-56
19
SymptomEngine stall
Conditionwhile idling
PageEF & EC-57
20
SymptomEngine stall
Conditionwhile accelerating
PageEF & EC-58
21
SymptomEngine stall
Conditionwhile cruising
PageEF & EC-59
22
SymptomEngine stall
Conditionwhile decelerating/just after stopping
PageEF & EC-60
23
SymptomEngine stall
Conditionwhile loading
PageEF & EC-61
24
SymptomBackfire
Conditionthrough the intake
PageEF & EC-62
25
SymptomBackfire
Conditionthrough the exhaust
PageEF & EC-63
SymptomSelf-diagnosis — Description
Condition
PageEF & EC-64
SymptomSelf-diagnosis — Mode I & II (Model with catalyzer)
Condition
PageEF & EC-67
SymptomSelf-diagnosis — Mode III
Condition
PageEF & EC-68
SymptomSelf-diagnosis — Mode IV
Condition
PageEF & EC-73
SymptomSelf-diagnosis — Mode V
Condition
PageEF & EC-75
SymptomDiagnostic Procedure
Condition
PageEF & EC-78
SymptomDiagnostic Procedure 1 — POWER SOURCE AND GROUND CIRCUIT FOR E.C.U.
Condition
PageEF & EC-80
SymptomDiagnostic Procedure 2 — CRANK ANGLE SENSOR
Condition
PageEF & EC-82
SymptomDiagnostic Procedure 3 — AIR FLOW METER
Condition
PageEF & EC-84
SymptomDiagnostic Procedure 4 — ENGINE TEMPERATURE SENSOR
Condition
PageEF & EC-86
SymptomDiagnostic Procedure 5 — VEHICLE SPEED SENSOR
Condition
PageEF & EC-88
SymptomDiagnostic Procedure 6 — IGNITION SIGNAL & DETONATION SENSOR
Condition
PageEF & EC-90
SymptomDiagnostic Procedure 7 — IDLE SWITCH
Condition
PageEF & EC-94
SymptomDiagnostic Procedure 8 — EXHAUST GAS SENSOR
Condition
PageEF & EC-96
SymptomDiagnostic Procedure 9 — THROTTLE SENSOR
Condition
PageEF & EC-98
SymptomDiagnostic Procedure 10 — FUEL PUMP
Condition
PageEF & EC-102
SymptomDiagnostic Procedure 11 — START SIGNAL
Condition
PageEF & EC-104
Cross References
EF & EC-34EF & EC-38EF & EC-39EF & EC-40EF & EC-41EF & EC-42EF & EC-43EF & EC-44EF & EC-45EF & EC-46EF & EC-47EF & EC-48EF & EC-49EF & EC-50EF & EC-51EF & EC-52EF & EC-53EF & EC-54EF & EC-55EF & EC-56EF & EC-57EF & EC-58EF & EC-59EF & EC-60EF & EC-61EF & EC-62EF & EC-63EF & EC-64EF & EC-67EF & EC-68EF & EC-73EF & EC-75EF & EC-78EF & EC-80EF & EC-82EF & EC-84EF & EC-86EF & EC-88EF & EC-90EF & EC-94EF & EC-96EF & EC-98EF & EC-102EF & EC-104