NOTE: Make sure the HDS and its DLC cable are working properly.
-
Turn the ignition switch to LOCK (0).
-
NOTE: Make sure the HDS is properly connected to the DLC.
-
Turn the ignition switch to ON (II), and read the HDS.
Does the HDS identify the vehicle?
|
-
Check for Temporary DTCs or DTCs in the PGM-FI system with the HDS.
Are any Temporary DTCs or DTCs indicated?
|
YES
|
-
|
Go to the indicated DTC's troubleshooting.■
|
NO
|
-
|
-
If the HDS does not communicate with the SRS system, go to
Step 5
.
-
If the HDS does not communicate with the ABS system, go to
Step 7
.
-
If the HDS does not communicate with the EPS system, go to
Step 9
.
-
If the HDS does not communicate with the IMMOBI (immobilizer) system, go to
Step 11
.
-
If the HDS does not communicate with the BODY ELECTRICAL system, go to
Step 13
.
|
-
Turn the ignition switch to LOCK (0).
-
Turn the ignition switch to ON (II), and watch the SRS indicator.
Does the SRS indicator stay on?
|
-
Turn the ignition switch to LOCK (0).
-
Turn the ignition switch to ON (II), and watch the ABS indicator.
Does the ABS indicator stay on?
|
-
Turn the ignition switch to LOCK (0).
-
Turn the ignition switch to ON (II), and watch the EPS indicator.
Does the EPS indicator stay on?
|
-
Turn the ignition switch to LOCK (0).
-
Turn the ignition switch to ON (II), and watch the immobilizer indicator.
Does the immobilizer indicator stay on or flash?
|
-
-
Check the gauge display.
YES
|
-
|
Check for B-CAN system DTCs.■
|
NO
|
-
|
|
-
Turn the ignition switch to LOCK (0).
-
Disconnect the HDS from the DLC.
-
Check for continuity between DLC terminal No. 7 and body ground.
-
Continue to check for continuity between DLC terminal No. 7 and body ground, while disconnecting these parts, one at a time:
-
SRS unit connector A (39P)
-
ABS modulator-control unit 25P connector
-
EPS control unit connector C (16P)
-
Immobilizer-keyless control unit 7P connector
-
Audio unit 24P connector
-
Under-dash fuse/relay box (Q) (16P) connector
Does continuity go away when one of the above components is disconnected?
|
YES
|
-
|
Replace the part caused an open when it was disconnected.■
|
NO
|
-
|
Repair short in the wire between the DLC (K-line) and the ABS control unit, the SRS unit, the EPS control unit, the immobilizer-keyless control unit, the audio unit, the under-dash fuse/relay box, or the ECM/PCM.■
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