TEST
ACTION
APPLICABILITY
4
Turn the ignition off.
Disconnect the DRBIII
t from the DLC.
Disconnect the CTM harness connectors.
Turn the ignition on.
Using a 12-volt test light connected to ground, probe the K-CTM, SSM circuit.
NOTE: The test light must illuminate brightly. Compare the brightness to
that of a direct connection to the battery.
Does the test light illuminate brightly?
All
Yes
→ Go To 5
No
→ Go To 6
5
Turn the ignition off.
Disconnect the Security System Module harness connector.
Turn the ignition on.
Using a 12-volt test light connected to ground, probe the K-CTM, SSM circuit.
NOTE: The test light must illuminate brightly. Compare the brightness to
that of a direct connection to the battery.
Does the test light illuminate brightly?
All
Yes
→ Repair the K-CTM, SSM circuit for a short to voltage.
Perform BODY VERIFICATION TEST - VER 1.
No
→ Replace the Security System Module in accordance with the
service information.
Perform BODY VERIFICATION TEST - VER 1.
6
Turn the ignition off.
Disconnect the CTM harness connectors.
Disconnect the DRBIII
t from the DLC.
Measure the resistance of the K-CTM, SSM circuit between the CTM connector and
the DLC.
Is the resistance below 5.0 ohms?
All
Yes
→ Replace the Central Timer Module in accordance with the Service
Information.
Perform BODY VERIFICATION TEST - VER 1.
No
→ Repair the K-CTM, SSM circuit for an open.
Perform BODY VERIFICATION TEST - VER 1.
109
COMMUNICATION
*NO RESPONSE FROM CENTRAL TIMER MODULE —
Continued