How to Follow Test Groups In Trouble Diagnosis

HOW TO FOLLOW TEST GROUPS IN TROUBLE DIAGNOSIS
1. Work and diagnostic procedure
Start to diagnose a problem using procedures indicated in enclosed test groups.
2. Questions and required results
Questions and required results are indicated in bold type in test group.
The meaning of are as follows:
a. Battery voltage -> 11 - 14 V or approximately 12 V
b. Voltage : Approximately 0 V - Less than 1 V

3. Symbol used in illustration
Symbols included in illustrations refer to measurements or procedures. Before diagnosing a problem, familiarize yourself with each symbol. Refer to "Connector Symbols" in General Information and "KEY TO SYMBOLS SIGNIFYING MEASUREMENTS OR PROCEDURES".
4. Action items
Next action for each test group is indicated based on result of each question. Test group number is shown in the left upper portion of each test group.

HARNESS WIRE COLOR AND CONNECTOR NUMBER INDICATION
There are two types of harness wire color and connector number indication.

Type 1: Harness Wire Color And Connector Number Are Shown In Illustration




- Letter designations next to test meter probe indicate harness wire color.
- Connector numbers in a single circle (e.g. M33) indicate harness connectors.
- Connector numbers in a double circle indicate component connectors.




Type 2: Harness Wire Color And Connector Number Are Shown In Text







KEY TO SYMBOLS SIGNIFYING MEASUREMENTS OR PROCEDURES