Electronic Diagnosis
DiagnosisElectronic Diagnosis
How To Diagnose The Problem
1. To avoid incorrect diagnostics, this book needs to be followed accurately. Unless stated, do not jump directly to a that could contain the solution. Some important information may be missed.
2. The section in CAPITALS and bold are the mains that can be found in the contents.
3. The GOTO "SECTION" means to continue to check going to the "section".
4. The GOTHROUGH "SECTION" means to go through the "section" and then to go back to the place the GOTHROUGH was written.
5. BASIC ELECTRIC CIRCUITS:
You should understand the basic theory of electricity. This includes the meaning of voltage, amps, ohms, and what happens in a circuit with an open or shorted wire. You should also be able to read and understand wiring diagrams.
Check Trans Indicator
Find CHECK TRANS indicator and verify if it is
a. Flashing: GOTO DIAGNOSTIC CHECK.
b. Staying on: GOTHROUGH CHECK TRANS CHECK.
c. Is never ON when the ignition key is turned on: GOTHROUGH CHECK TRANS CHECK
d. Is ON during 2 seconds at ignition but OFF after: Normal operation. No DTC or malfunction.